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Finding the Fourth Proportional to 61.48, 92.16 and 29.44

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Solution

The fourth proportional to 61.48, 92.16 and 29.44 is: 44.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.48 : 92.16 = 29.44 : x
  2. Step 2: Convert to fraction form
    61.48/92.16 = 29.44/x
  3. Step 3: Cross multiply
    61.48x = 92.16 × 29.44
  4. Step 4: Simplify right side
    61.48x = 2,713.19
  5. Step 5: Solve for x
    x = 2,713.19/61.48
  6. Step 6: Final answer
    x = 44.13

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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.