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Finding the Fourth Proportional to 7,170.52, 10,757.13 and 2,238.97

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Solution

The fourth proportional to 7,170.52, 10,757.13 and 2,238.97 is: 3,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.52 : 10,757.13 = 2,238.97 : x
  2. Step 2: Convert to fraction form
    7,170.52/10,757.13 = 2,238.97/x
  3. Step 3: Cross multiply
    7,170.52x = 10,757.13 × 2,238.97
  4. Step 4: Simplify right side
    7,170.52x = 24,084,891.36
  5. Step 5: Solve for x
    x = 24,084,891.36/7,170.52
  6. Step 6: Final answer
    x = 3,358.88

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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.