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Finding the Fourth Proportional to 23,891, 35,836.58 and 7,251.17

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Solution

The fourth proportional to 23,891, 35,836.58 and 7,251.17 is: 10,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,891 : 35,836.58 = 7,251.17 : x
  2. Step 2: Convert to fraction form
    23,891/35,836.58 = 7,251.17/x
  3. Step 3: Cross multiply
    23,891x = 35,836.58 × 7,251.17
  4. Step 4: Simplify right side
    23,891x = 259,857,133.80
  5. Step 5: Solve for x
    x = 259,857,133.80/23,891
  6. Step 6: Final answer
    x = 10,876.78

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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.