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Finding the Fourth Proportional to 44.75, 61.83 and 35.61

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Solution

The fourth proportional to 44.75, 61.83 and 35.61 is: 49.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.75 : 61.83 = 35.61 : x
  2. Step 2: Convert to fraction form
    44.75/61.83 = 35.61/x
  3. Step 3: Cross multiply
    44.75x = 61.83 × 35.61
  4. Step 4: Simplify right side
    44.75x = 2,201.90
  5. Step 5: Solve for x
    x = 2,201.90/44.75
  6. Step 6: Final answer
    x = 49.20

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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.