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Finding the Fourth Proportional to 44.75, 67.17 and 35.79

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Solution

The fourth proportional to 44.75, 67.17 and 35.79 is: 53.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.75 : 67.17 = 35.79 : x
  2. Step 2: Convert to fraction form
    44.75/67.17 = 35.79/x
  3. Step 3: Cross multiply
    44.75x = 67.17 × 35.79
  4. Step 4: Simplify right side
    44.75x = 2,404.02
  5. Step 5: Solve for x
    x = 2,404.02/44.75
  6. Step 6: Final answer
    x = 53.72

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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.