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Finding the Fourth Proportional to 75.97, 104.82 and 44.86

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Solution

The fourth proportional to 75.97, 104.82 and 44.86 is: 61.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.97 : 104.82 = 44.86 : x
  2. Step 2: Convert to fraction form
    75.97/104.82 = 44.86/x
  3. Step 3: Cross multiply
    75.97x = 104.82 × 44.86
  4. Step 4: Simplify right side
    75.97x = 4,702.73
  5. Step 5: Solve for x
    x = 4,702.73/75.97
  6. Step 6: Final answer
    x = 61.90

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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.