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Finding the Fourth Proportional to 6,655,306.73, 9,986,474.91 and 4,722,524.47

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Solution

The fourth proportional to 6,655,306.73, 9,986,474.91 and 4,722,524.47 is: 7,086,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655,306.73 : 9,986,474.91 = 4,722,524.47 : x
  2. Step 2: Convert to fraction form
    6,655,306.73/9,986,474.91 = 4,722,524.47/x
  3. Step 3: Cross multiply
    6,655,306.73x = 9,986,474.91 × 4,722,524.47
  4. Step 4: Simplify right side
    6,655,306.73x = 47,161,372,161,708.62
  5. Step 5: Solve for x
    x = 47,161,372,161,708.62/6,655,306.73
  6. Step 6: Final answer
    x = 7,086,280.78

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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.