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Finding the Fourth Proportional to 24.62, 34.00 and 22.79

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Solution

The fourth proportional to 24.62, 34.00 and 22.79 is: 31.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.62 : 34.00 = 22.79 : x
  2. Step 2: Convert to fraction form
    24.62/34.00 = 22.79/x
  3. Step 3: Cross multiply
    24.62x = 34.00 × 22.79
  4. Step 4: Simplify right side
    24.62x = 774.89
  5. Step 5: Solve for x
    x = 774.89/24.62
  6. Step 6: Final answer
    x = 31.48

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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.