Finding the Fourth Proportional to 6,699,042.90, 9,246,760.56 and 5,324,824.98
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Solution
The fourth proportional to 6,699,042.90, 9,246,760.56 and 5,324,824.98 is: 7,349,912.87
Step by Step Solution
- Step 1: Write the proportion equation
6,699,042.90 : 9,246,760.56 = 5,324,824.98 : x - Step 2: Convert to fraction form
6,699,042.90/9,246,760.56 = 5,324,824.98/x - Step 3: Cross multiply
6,699,042.90x = 9,246,760.56 × 5,324,824.98 - Step 4: Simplify right side
6,699,042.90x = 49,237,381,613,966.80 - Step 5: Solve for x
x = 49,237,381,613,966.80/6,699,042.90 - Step 6: Final answer
x = 7,349,912.87
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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.