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Finding the Fourth Proportional to 50,637.92, 75,890.82 and 36,645.08

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Solution

The fourth proportional to 50,637.92, 75,890.82 and 36,645.08 is: 54,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,637.92 : 75,890.82 = 36,645.08 : x
  2. Step 2: Convert to fraction form
    50,637.92/75,890.82 = 36,645.08/x
  3. Step 3: Cross multiply
    50,637.92x = 75,890.82 × 36,645.08
  4. Step 4: Simplify right side
    50,637.92x = 2,781,025,170.17
  5. Step 5: Solve for x
    x = 2,781,025,170.17/50,637.92
  6. Step 6: Final answer
    x = 54,919.81

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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.