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Finding the Fourth Proportional to 63,677.91, 87,787.62 and 50,800.87

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Solution

The fourth proportional to 63,677.91, 87,787.62 and 50,800.87 is: 70,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,677.91 : 87,787.62 = 50,800.87 : x
  2. Step 2: Convert to fraction form
    63,677.91/87,787.62 = 50,800.87/x
  3. Step 3: Cross multiply
    63,677.91x = 87,787.62 × 50,800.87
  4. Step 4: Simplify right side
    63,677.91x = 4,459,687,251.76
  5. Step 5: Solve for x
    x = 4,459,687,251.76/63,677.91
  6. Step 6: Final answer
    x = 70,035.08

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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.