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Finding the Fourth Proportional to 69.17, 95.32 and 49.73

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Solution

The fourth proportional to 69.17, 95.32 and 49.73 is: 68.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.17 : 95.32 = 49.73 : x
  2. Step 2: Convert to fraction form
    69.17/95.32 = 49.73/x
  3. Step 3: Cross multiply
    69.17x = 95.32 × 49.73
  4. Step 4: Simplify right side
    69.17x = 4,740.26
  5. Step 5: Solve for x
    x = 4,740.26/69.17
  6. Step 6: Final answer
    x = 68.53

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