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Finding the Fourth Proportional to 24.97, 34.46 and 22.38

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Solution

The fourth proportional to 24.97, 34.46 and 22.38 is: 30.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.97 : 34.46 = 22.38 : x
  2. Step 2: Convert to fraction form
    24.97/34.46 = 22.38/x
  3. Step 3: Cross multiply
    24.97x = 34.46 × 22.38
  4. Step 4: Simplify right side
    24.97x = 771.10
  5. Step 5: Solve for x
    x = 771.10/24.97
  6. Step 6: Final answer
    x = 30.88

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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.