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Finding the Fourth Proportional to 7,167.72, 10,757.48 and 3,660.29

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Solution

The fourth proportional to 7,167.72, 10,757.48 and 3,660.29 is: 5,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.72 : 10,757.48 = 3,660.29 : x
  2. Step 2: Convert to fraction form
    7,167.72/10,757.48 = 3,660.29/x
  3. Step 3: Cross multiply
    7,167.72x = 10,757.48 × 3,660.29
  4. Step 4: Simplify right side
    7,167.72x = 39,375,424.38
  5. Step 5: Solve for x
    x = 39,375,424.38/7,167.72
  6. Step 6: Final answer
    x = 5,493.44

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1.5x scale

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.