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Finding the Fourth Proportional to 892.79, 1,337.24 and 736.97

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Solution

The fourth proportional to 892.79, 1,337.24 and 736.97 is: 1,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.79 : 1,337.24 = 736.97 : x
  2. Step 2: Convert to fraction form
    892.79/1,337.24 = 736.97/x
  3. Step 3: Cross multiply
    892.79x = 1,337.24 × 736.97
  4. Step 4: Simplify right side
    892.79x = 985,505.76
  5. Step 5: Solve for x
    x = 985,505.76/892.79
  6. Step 6: Final answer
    x = 1,103.85

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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.