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Finding the Fourth Proportional to 69.32, 95.67 and 44.76

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Solution

The fourth proportional to 69.32, 95.67 and 44.76 is: 61.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.32 : 95.67 = 44.76 : x
  2. Step 2: Convert to fraction form
    69.32/95.67 = 44.76/x
  3. Step 3: Cross multiply
    69.32x = 95.67 × 44.76
  4. Step 4: Simplify right side
    69.32x = 4,282.55
  5. Step 5: Solve for x
    x = 4,282.55/69.32
  6. Step 6: Final answer
    x = 61.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.