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Finding the Fourth Proportional to 63.48, 95.18 and 22.92

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Solution

The fourth proportional to 63.48, 95.18 and 22.92 is: 34.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.48 : 95.18 = 22.92 : x
  2. Step 2: Convert to fraction form
    63.48/95.18 = 22.92/x
  3. Step 3: Cross multiply
    63.48x = 95.18 × 22.92
  4. Step 4: Simplify right side
    63.48x = 2,181.53
  5. Step 5: Solve for x
    x = 2,181.53/63.48
  6. Step 6: Final answer
    x = 34.37

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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.