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Finding the Fourth Proportional to 63.34, 95.00 and 22.75

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Solution

The fourth proportional to 63.34, 95.00 and 22.75 is: 34.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.34 : 95.00 = 22.75 : x
  2. Step 2: Convert to fraction form
    63.34/95.00 = 22.75/x
  3. Step 3: Cross multiply
    63.34x = 95.00 × 22.75
  4. Step 4: Simplify right side
    63.34x = 2,160.96
  5. Step 5: Solve for x
    x = 2,160.96/63.34
  6. Step 6: Final answer
    x = 34.12

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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.