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Finding the Fourth Proportional to 61.32, 92.01 and 29.25

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Solution

The fourth proportional to 61.32, 92.01 and 29.25 is: 43.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.32 : 92.01 = 29.25 : x
  2. Step 2: Convert to fraction form
    61.32/92.01 = 29.25/x
  3. Step 3: Cross multiply
    61.32x = 92.01 × 29.25
  4. Step 4: Simplify right side
    61.32x = 2,691.29
  5. Step 5: Solve for x
    x = 2,691.29/61.32
  6. Step 6: Final answer
    x = 43.89

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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.