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Finding the Fourth Proportional to 23.38, 34.88 and 22.24

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Solution

The fourth proportional to 23.38, 34.88 and 22.24 is: 33.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.38 : 34.88 = 22.24 : x
  2. Step 2: Convert to fraction form
    23.38/34.88 = 22.24/x
  3. Step 3: Cross multiply
    23.38x = 34.88 × 22.24
  4. Step 4: Simplify right side
    23.38x = 775.73
  5. Step 5: Solve for x
    x = 775.73/23.38
  6. Step 6: Final answer
    x = 33.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.