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Finding the Fourth Proportional to 37,131, 55,691.10 and 13,753.32

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Solution

The fourth proportional to 37,131, 55,691.10 and 13,753.32 is: 20,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131 : 55,691.10 = 13,753.32 : x
  2. Step 2: Convert to fraction form
    37,131/55,691.10 = 13,753.32/x
  3. Step 3: Cross multiply
    37,131x = 55,691.10 × 13,753.32
  4. Step 4: Simplify right side
    37,131x = 765,937,519.45
  5. Step 5: Solve for x
    x = 765,937,519.45/37,131
  6. Step 6: Final answer
    x = 20,627.98

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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.