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Finding the Fourth Proportional to 63.82, 95.75 and 63.48

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Solution

The fourth proportional to 63.82, 95.75 and 63.48 is: 95.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.82 : 95.75 = 63.48 : x
  2. Step 2: Convert to fraction form
    63.82/95.75 = 63.48/x
  3. Step 3: Cross multiply
    63.82x = 95.75 × 63.48
  4. Step 4: Simplify right side
    63.82x = 6,078.49
  5. Step 5: Solve for x
    x = 6,078.49/63.82
  6. Step 6: Final answer
    x = 95.24

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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.