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Finding the Fourth Proportional to 63.98, 95.82 and 44.74

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Solution

The fourth proportional to 63.98, 95.82 and 44.74 is: 67.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.98 : 95.82 = 44.74 : x
  2. Step 2: Convert to fraction form
    63.98/95.82 = 44.74/x
  3. Step 3: Cross multiply
    63.98x = 95.82 × 44.74
  4. Step 4: Simplify right side
    63.98x = 4,286.99
  5. Step 5: Solve for x
    x = 4,286.99/63.98
  6. Step 6: Final answer
    x = 67.01

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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.