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Finding the Fourth Proportional to 32,408.87, 48,593.86 and 12,663.90

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Solution

The fourth proportional to 32,408.87, 48,593.86 and 12,663.90 is: 18,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,408.87 : 48,593.86 = 12,663.90 : x
  2. Step 2: Convert to fraction form
    32,408.87/48,593.86 = 12,663.90/x
  3. Step 3: Cross multiply
    32,408.87x = 48,593.86 × 12,663.90
  4. Step 4: Simplify right side
    32,408.87x = 615,387,720.33
  5. Step 5: Solve for x
    x = 615,387,720.33/32,408.87
  6. Step 6: Final answer
    x = 18,988.25

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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.