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Finding the Fourth Proportional to 69.44, 104.19 and 23.82

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Solution

The fourth proportional to 69.44, 104.19 and 23.82 is: 35.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.44 : 104.19 = 23.82 : x
  2. Step 2: Convert to fraction form
    69.44/104.19 = 23.82/x
  3. Step 3: Cross multiply
    69.44x = 104.19 × 23.82
  4. Step 4: Simplify right side
    69.44x = 2,482.05
  5. Step 5: Solve for x
    x = 2,482.05/69.44
  6. Step 6: Final answer
    x = 35.74

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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.