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Finding the Fourth Proportional to 61.44, 92.17 and 22.95

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Solution

The fourth proportional to 61.44, 92.17 and 22.95 is: 34.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.44 : 92.17 = 22.95 : x
  2. Step 2: Convert to fraction form
    61.44/92.17 = 22.95/x
  3. Step 3: Cross multiply
    61.44x = 92.17 × 22.95
  4. Step 4: Simplify right side
    61.44x = 2,115.30
  5. Step 5: Solve for x
    x = 2,115.30/61.44
  6. Step 6: Final answer
    x = 34.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.