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Finding the Fourth Proportional to 69.99, 104.96 and 24.33

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Solution

The fourth proportional to 69.99, 104.96 and 24.33 is: 36.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.99 : 104.96 = 24.33 : x
  2. Step 2: Convert to fraction form
    69.99/104.96 = 24.33/x
  3. Step 3: Cross multiply
    69.99x = 104.96 × 24.33
  4. Step 4: Simplify right side
    69.99x = 2,553.56
  5. Step 5: Solve for x
    x = 2,553.56/69.99
  6. Step 6: Final answer
    x = 36.48

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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.