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Finding the Fourth Proportional to 63.44, 95 and 61.27

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Solution

The fourth proportional to 63.44, 95 and 61.27 is: 91.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.44 : 95 = 61.27 : x
  2. Step 2: Convert to fraction form
    63.44/95 = 61.27/x
  3. Step 3: Cross multiply
    63.44x = 95 × 61.27
  4. Step 4: Simplify right side
    63.44x = 5,820.65
  5. Step 5: Solve for x
    x = 5,820.65/63.44
  6. Step 6: Final answer
    x = 91.76

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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.