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Finding the Fourth Proportional to 63.74, 96.27 and 63.74

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Solution

The fourth proportional to 63.74, 96.27 and 63.74 is: 96.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.74 : 96.27 = 63.74 : x
  2. Step 2: Convert to fraction form
    63.74/96.27 = 63.74/x
  3. Step 3: Cross multiply
    63.74x = 96.27 × 63.74
  4. Step 4: Simplify right side
    63.74x = 6,136.25
  5. Step 5: Solve for x
    x = 6,136.25/63.74
  6. Step 6: Final answer
    x = 96.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.