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Finding the Fourth Proportional to 61.44, 92.17 and 22.94

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Solution

The fourth proportional to 61.44, 92.17 and 22.94 is: 34.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.44 : 92.17 = 22.94 : x
  2. Step 2: Convert to fraction form
    61.44/92.17 = 22.94/x
  3. Step 3: Cross multiply
    61.44x = 92.17 × 22.94
  4. Step 4: Simplify right side
    61.44x = 2,113.92
  5. Step 5: Solve for x
    x = 2,113.92/61.44
  6. Step 6: Final answer
    x = 34.41

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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.