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Finding the Fourth Proportional to 63.75, 95.56 and 23.14

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Solution

The fourth proportional to 63.75, 95.56 and 23.14 is: 34.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.75 : 95.56 = 23.14 : x
  2. Step 2: Convert to fraction form
    63.75/95.56 = 23.14/x
  3. Step 3: Cross multiply
    63.75x = 95.56 × 23.14
  4. Step 4: Simplify right side
    63.75x = 2,211.26
  5. Step 5: Solve for x
    x = 2,211.26/63.75
  6. Step 6: Final answer
    x = 34.69

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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.