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Finding the Fourth Proportional to 3,962.65, 5,932.13 and 2,397.92

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Solution

The fourth proportional to 3,962.65, 5,932.13 and 2,397.92 is: 3,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.65 : 5,932.13 = 2,397.92 : x
  2. Step 2: Convert to fraction form
    3,962.65/5,932.13 = 2,397.92/x
  3. Step 3: Cross multiply
    3,962.65x = 5,932.13 × 2,397.92
  4. Step 4: Simplify right side
    3,962.65x = 14,224,731.52
  5. Step 5: Solve for x
    x = 14,224,731.52/3,962.65
  6. Step 6: Final answer
    x = 3,589.71

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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.