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Finding the Fourth Proportional to 8,593.32, 12,892.40 and 3,329.92

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Solution

The fourth proportional to 8,593.32, 12,892.40 and 3,329.92 is: 4,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.32 : 12,892.40 = 3,329.92 : x
  2. Step 2: Convert to fraction form
    8,593.32/12,892.40 = 3,329.92/x
  3. Step 3: Cross multiply
    8,593.32x = 12,892.40 × 3,329.92
  4. Step 4: Simplify right side
    8,593.32x = 42,930,660.61
  5. Step 5: Solve for x
    x = 42,930,660.61/8,593.32
  6. Step 6: Final answer
    x = 4,995.82

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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.