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Finding the Fourth Proportional to 63,596.96, 87,764.14 and 39,737.46

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Solution

The fourth proportional to 63,596.96, 87,764.14 and 39,737.46 is: 54,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,596.96 : 87,764.14 = 39,737.46 : x
  2. Step 2: Convert to fraction form
    63,596.96/87,764.14 = 39,737.46/x
  3. Step 3: Cross multiply
    63,596.96x = 87,764.14 × 39,737.46
  4. Step 4: Simplify right side
    63,596.96x = 3,487,524,002.68
  5. Step 5: Solve for x
    x = 3,487,524,002.68/63,596.96
  6. Step 6: Final answer
    x = 54,837.90

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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.