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Finding the Fourth Proportional to 8.08, 11.14 and 6.44

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Solution

The fourth proportional to 8.08, 11.14 and 6.44 is: 8.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.08 : 11.14 = 6.44 : x
  2. Step 2: Convert to fraction form
    8.08/11.14 = 6.44/x
  3. Step 3: Cross multiply
    8.08x = 11.14 × 6.44
  4. Step 4: Simplify right side
    8.08x = 71.75
  5. Step 5: Solve for x
    x = 71.75/8.08
  6. Step 6: Final answer
    x = 8.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.