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Finding the Fourth Proportional to 44.85, 61.86 and 33.92

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Solution

The fourth proportional to 44.85, 61.86 and 33.92 is: 46.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.85 : 61.86 = 33.92 : x
  2. Step 2: Convert to fraction form
    44.85/61.86 = 33.92/x
  3. Step 3: Cross multiply
    44.85x = 61.86 × 33.92
  4. Step 4: Simplify right side
    44.85x = 2,098.34
  5. Step 5: Solve for x
    x = 2,098.34/44.85
  6. Step 6: Final answer
    x = 46.78

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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.