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Finding the Fourth Proportional to 31.92, 44.03 and 24.13

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Solution

The fourth proportional to 31.92, 44.03 and 24.13 is: 33.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.92 : 44.03 = 24.13 : x
  2. Step 2: Convert to fraction form
    31.92/44.03 = 24.13/x
  3. Step 3: Cross multiply
    31.92x = 44.03 × 24.13
  4. Step 4: Simplify right side
    31.92x = 1,062.39
  5. Step 5: Solve for x
    x = 1,062.39/31.92
  6. Step 6: Final answer
    x = 33.28

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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.