Finding the Fourth Proportional to 7,760,592.48, 11,580,194.76 and 6,953,653.92
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Solution
The fourth proportional to 7,760,592.48, 11,580,194.76 and 6,953,653.92 is: 10,376,097.82
Step by Step Solution
- Step 1: Write the proportion equation
7,760,592.48 : 11,580,194.76 = 6,953,653.92 : x - Step 2: Convert to fraction form
7,760,592.48/11,580,194.76 = 6,953,653.92/x - Step 3: Cross multiply
7,760,592.48x = 11,580,194.76 × 6,953,653.92 - Step 4: Simplify right side
7,760,592.48x = 80,524,666,687,237.45 - Step 5: Solve for x
x = 80,524,666,687,237.45/7,760,592.48 - Step 6: Final answer
x = 10,376,097.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.