The height of the full-size ficus tree given the ratio 1 to 9 is 54 inches.
Ratio of the height of a bonsai ficus tree to the height of a full-size ficus tree is 1 : 9
Equate the ratio
1 : 9 = 6 : x
1/9 = 6/x
1 × x = 9 × 6
x = 54 inches
Therefore, the height of the full-size ficus tree given the ratio 1 to 9 is 54 inches.
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