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Finding the Fourth Proportional to 17,930.65, 24,743.91 and 9,863.95

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Solution

The fourth proportional to 17,930.65, 24,743.91 and 9,863.95 is: 13,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.65 : 24,743.91 = 9,863.95 : x
  2. Step 2: Convert to fraction form
    17,930.65/24,743.91 = 9,863.95/x
  3. Step 3: Cross multiply
    17,930.65x = 24,743.91 × 9,863.95
  4. Step 4: Simplify right side
    17,930.65x = 244,072,691.04
  5. Step 5: Solve for x
    x = 244,072,691.04/17,930.65
  6. Step 6: Final answer
    x = 13,612.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.