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Finding the Fourth Proportional to 63.46, 95.28 and 61.96

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Solution

The fourth proportional to 63.46, 95.28 and 61.96 is: 93.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.46 : 95.28 = 61.96 : x
  2. Step 2: Convert to fraction form
    63.46/95.28 = 61.96/x
  3. Step 3: Cross multiply
    63.46x = 95.28 × 61.96
  4. Step 4: Simplify right side
    63.46x = 5,903.55
  5. Step 5: Solve for x
    x = 5,903.55/63.46
  6. Step 6: Final answer
    x = 93.03

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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.