Finding the Fourth Proportional to 7,531,561.44, 10,393,780.68 and 4,268,382.48
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Solution
The fourth proportional to 7,531,561.44, 10,393,780.68 and 4,268,382.48 is: 5,890,495.84
Step by Step Solution
- Step 1: Write the proportion equation
7,531,561.44 : 10,393,780.68 = 4,268,382.48 : x - Step 2: Convert to fraction form
7,531,561.44/10,393,780.68 = 4,268,382.48/x - Step 3: Cross multiply
7,531,561.44x = 10,393,780.68 × 4,268,382.48 - Step 4: Simplify right side
7,531,561.44x = 44,364,631,355,474.49 - Step 5: Solve for x
x = 44,364,631,355,474.49/7,531,561.44 - Step 6: Final answer
x = 5,890,495.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.