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Finding the Fourth Proportional to 8.44, 12.48 and 8.44

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Solution

The fourth proportional to 8.44, 12.48 and 8.44 is: 12.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.44 : 12.48 = 8.44 : x
  2. Step 2: Convert to fraction form
    8.44/12.48 = 8.44/x
  3. Step 3: Cross multiply
    8.44x = 12.48 × 8.44
  4. Step 4: Simplify right side
    8.44x = 105.33
  5. Step 5: Solve for x
    x = 105.33/8.44
  6. Step 6: Final answer
    x = 12.48

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.