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Finding the Fourth Proportional to 58,276.80, 87,480.90 and 38,593.80

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Solution

The fourth proportional to 58,276.80, 87,480.90 and 38,593.80 is: 57,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,276.80 : 87,480.90 = 38,593.80 : x
  2. Step 2: Convert to fraction form
    58,276.80/87,480.90 = 38,593.80/x
  3. Step 3: Cross multiply
    58,276.80x = 87,480.90 × 38,593.80
  4. Step 4: Simplify right side
    58,276.80x = 3,376,220,358.42
  5. Step 5: Solve for x
    x = 3,376,220,358.42/58,276.80
  6. Step 6: Final answer
    x = 57,934.21

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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.