Finding the Fourth Proportional to 5,292,663.50, 7,939,056.60 and 5,034,520.96
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Solution
The fourth proportional to 5,292,663.50, 7,939,056.60 and 5,034,520.96 is: 7,551,839.80
Step by Step Solution
- Step 1: Write the proportion equation
5,292,663.50 : 7,939,056.60 = 5,034,520.96 : x - Step 2: Convert to fraction form
5,292,663.50/7,939,056.60 = 5,034,520.96/x - Step 3: Cross multiply
5,292,663.50x = 7,939,056.60 × 5,034,520.96 - Step 4: Simplify right side
5,292,663.50x = 39,969,346,855,326.34 - Step 5: Solve for x
x = 39,969,346,855,326.34/5,292,663.50 - Step 6: Final answer
x = 7,551,839.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.