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The original cone holds more than the replacement.
To compare the volumes of the two cones, we can use the formula for the volume of a cone: V = (1/3)Ï€r^2h, where r is the radius and h is the height.
For the original cone with a diameter of 3 inches, the radius is 1.5 inches and the height is 4 inches. Plugging these values into the formula, we get:
V = (1/3)Ï€(1.5)^2(4) = 9Ï€ cubic inches
For the replacement cone with a diameter of 4 inches, the radius is 2 inches and the height is 3 inches. Plugging these values into the formula, we get:
V = (1/3)Ï€(2)^2(3) = 4Ï€ cubic inches
Since 9Ï€ is greater than 4Ï€, the original cone holds more volume than the replacement cone.