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Finding the Fourth Proportional to 927.26, 1,272.92 and 796.04

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Solution

The fourth proportional to 927.26, 1,272.92 and 796.04 is: 1,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    927.26 : 1,272.92 = 796.04 : x
  2. Step 2: Convert to fraction form
    927.26/1,272.92 = 796.04/x
  3. Step 3: Cross multiply
    927.26x = 1,272.92 × 796.04
  4. Step 4: Simplify right side
    927.26x = 1,013,295.24
  5. Step 5: Solve for x
    x = 1,013,295.24/927.26
  6. Step 6: Final answer
    x = 1,092.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.