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Finding the Fourth Proportional to 17,493.58, 26,248.11 and 9,171.61

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Solution

The fourth proportional to 17,493.58, 26,248.11 and 9,171.61 is: 13,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,493.58 : 26,248.11 = 9,171.61 : x
  2. Step 2: Convert to fraction form
    17,493.58/26,248.11 = 9,171.61/x
  3. Step 3: Cross multiply
    17,493.58x = 26,248.11 × 9,171.61
  4. Step 4: Simplify right side
    17,493.58x = 240,737,428.16
  5. Step 5: Solve for x
    x = 240,737,428.16/17,493.58
  6. Step 6: Final answer
    x = 13,761.47

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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.