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Finding the Fourth Proportional to 63,489.53, 87,597.82 and 50,018.97

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Solution

The fourth proportional to 63,489.53, 87,597.82 and 50,018.97 is: 69,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,489.53 : 87,597.82 = 50,018.97 : x
  2. Step 2: Convert to fraction form
    63,489.53/87,597.82 = 50,018.97/x
  3. Step 3: Cross multiply
    63,489.53x = 87,597.82 × 50,018.97
  4. Step 4: Simplify right side
    63,489.53x = 4,381,553,121.66
  5. Step 5: Solve for x
    x = 4,381,553,121.66/63,489.53
  6. Step 6: Final answer
    x = 69,012.21

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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.