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Finding the Fourth Proportional to 24.92, 34.34 and 22.18

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Solution

The fourth proportional to 24.92, 34.34 and 22.18 is: 30.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.92 : 34.34 = 22.18 : x
  2. Step 2: Convert to fraction form
    24.92/34.34 = 22.18/x
  3. Step 3: Cross multiply
    24.92x = 34.34 × 22.18
  4. Step 4: Simplify right side
    24.92x = 761.66
  5. Step 5: Solve for x
    x = 761.66/24.92
  6. Step 6: Final answer
    x = 30.56

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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.