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Finding the Fourth Proportional to 892.76, 1,339.10 and 737.24

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Solution

The fourth proportional to 892.76, 1,339.10 and 737.24 is: 1,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.76 : 1,339.10 = 737.24 : x
  2. Step 2: Convert to fraction form
    892.76/1,339.10 = 737.24/x
  3. Step 3: Cross multiply
    892.76x = 1,339.10 × 737.24
  4. Step 4: Simplify right side
    892.76x = 987,238.08
  5. Step 5: Solve for x
    x = 987,238.08/892.76
  6. Step 6: Final answer
    x = 1,105.83

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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.