If x is the fourth proportional to 36, 48 and 15, and 4.2, y, 9 and 13 – McqOptions

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1.	If x is the fourth proportional to 36, 48 and 15, and 4.2, y, 9 and 13.5 are in proportion, then the difference between y and x is:
A.	13.7
B.	16.4
C.	15.6
D.	14.8
Answer» B. 16.4

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