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Finding the Fourth Proportional to 63.76, 95.50 and 44.54

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Solution

The fourth proportional to 63.76, 95.50 and 44.54 is: 66.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.76 : 95.50 = 44.54 : x
  2. Step 2: Convert to fraction form
    63.76/95.50 = 44.54/x
  3. Step 3: Cross multiply
    63.76x = 95.50 × 44.54
  4. Step 4: Simplify right side
    63.76x = 4,253.50
  5. Step 5: Solve for x
    x = 4,253.50/63.76
  6. Step 6: Final answer
    x = 66.71

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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.