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Finding the Fourth Proportional to 63.56, 95.80 and 62.12

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Solution

The fourth proportional to 63.56, 95.80 and 62.12 is: 93.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.56 : 95.80 = 62.12 : x
  2. Step 2: Convert to fraction form
    63.56/95.80 = 62.12/x
  3. Step 3: Cross multiply
    63.56x = 95.80 × 62.12
  4. Step 4: Simplify right side
    63.56x = 5,951.10
  5. Step 5: Solve for x
    x = 5,951.10/63.56
  6. Step 6: Final answer
    x = 93.63

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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.