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Finding the Fourth Proportional to 17,868.73, 24,657.22 and 9,910.93

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Solution

The fourth proportional to 17,868.73, 24,657.22 and 9,910.93 is: 13,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.73 : 24,657.22 = 9,910.93 : x
  2. Step 2: Convert to fraction form
    17,868.73/24,657.22 = 9,910.93/x
  3. Step 3: Cross multiply
    17,868.73x = 24,657.22 × 9,910.93
  4. Step 4: Simplify right side
    17,868.73x = 244,375,981.41
  5. Step 5: Solve for x
    x = 244,375,981.41/17,868.73
  6. Step 6: Final answer
    x = 13,676.18

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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.