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Finding the Fourth Proportional to 69.06, 95.31 and 44.52

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Solution

The fourth proportional to 69.06, 95.31 and 44.52 is: 61.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.06 : 95.31 = 44.52 : x
  2. Step 2: Convert to fraction form
    69.06/95.31 = 44.52/x
  3. Step 3: Cross multiply
    69.06x = 95.31 × 44.52
  4. Step 4: Simplify right side
    69.06x = 4,243.20
  5. Step 5: Solve for x
    x = 4,243.20/69.06
  6. Step 6: Final answer
    x = 61.44

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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.