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Finding the Fourth Proportional to 69.83, 104.79 and 29.27

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Solution

The fourth proportional to 69.83, 104.79 and 29.27 is: 43.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.83 : 104.79 = 29.27 : x
  2. Step 2: Convert to fraction form
    69.83/104.79 = 29.27/x
  3. Step 3: Cross multiply
    69.83x = 104.79 × 29.27
  4. Step 4: Simplify right side
    69.83x = 3,067.20
  5. Step 5: Solve for x
    x = 3,067.20/69.83
  6. Step 6: Final answer
    x = 43.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.