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Finding the Fourth Proportional to 69.02, 95.24 and 44.42

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Solution

The fourth proportional to 69.02, 95.24 and 44.42 is: 61.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.02 : 95.24 = 44.42 : x
  2. Step 2: Convert to fraction form
    69.02/95.24 = 44.42/x
  3. Step 3: Cross multiply
    69.02x = 95.24 × 44.42
  4. Step 4: Simplify right side
    69.02x = 4,230.20
  5. Step 5: Solve for x
    x = 4,230.20/69.02
  6. Step 6: Final answer
    x = 61.29

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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.