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Finding the Fourth Proportional to 69.25, 95.50 and 44.70

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Solution

The fourth proportional to 69.25, 95.50 and 44.70 is: 61.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.25 : 95.50 = 44.70 : x
  2. Step 2: Convert to fraction form
    69.25/95.50 = 44.70/x
  3. Step 3: Cross multiply
    69.25x = 95.50 × 44.70
  4. Step 4: Simplify right side
    69.25x = 4,268.85
  5. Step 5: Solve for x
    x = 4,268.85/69.25
  6. Step 6: Final answer
    x = 61.64

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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.