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Finding the Fourth Proportional to 69.44, 104.07 and 52.93

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Solution

The fourth proportional to 69.44, 104.07 and 52.93 is: 79.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.44 : 104.07 = 52.93 : x
  2. Step 2: Convert to fraction form
    69.44/104.07 = 52.93/x
  3. Step 3: Cross multiply
    69.44x = 104.07 × 52.93
  4. Step 4: Simplify right side
    69.44x = 5,508.43
  5. Step 5: Solve for x
    x = 5,508.43/69.44
  6. Step 6: Final answer
    x = 79.33

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Why These Related Problems?

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