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Finding the Fourth Proportional to 57,976.90, 86,990.10 and 24,712.62

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Solution

The fourth proportional to 57,976.90, 86,990.10 and 24,712.62 is: 37,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,976.90 : 86,990.10 = 24,712.62 : x
  2. Step 2: Convert to fraction form
    57,976.90/86,990.10 = 24,712.62/x
  3. Step 3: Cross multiply
    57,976.90x = 86,990.10 × 24,712.62
  4. Step 4: Simplify right side
    57,976.90x = 2,149,753,285.06
  5. Step 5: Solve for x
    x = 2,149,753,285.06/57,976.90
  6. Step 6: Final answer
    x = 37,079.48

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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.