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Finding the Fourth Proportional to 937.44, 1,294.17 and 727.16

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Solution

The fourth proportional to 937.44, 1,294.17 and 727.16 is: 1,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.44 : 1,294.17 = 727.16 : x
  2. Step 2: Convert to fraction form
    937.44/1,294.17 = 727.16/x
  3. Step 3: Cross multiply
    937.44x = 1,294.17 × 727.16
  4. Step 4: Simplify right side
    937.44x = 941,062.19
  5. Step 5: Solve for x
    x = 941,062.19/937.44
  6. Step 6: Final answer
    x = 1,003.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.