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Finding the Fourth Proportional to 8.44, 12.65 and 4.11

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Solution

The fourth proportional to 8.44, 12.65 and 4.11 is: 6.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.44 : 12.65 = 4.11 : x
  2. Step 2: Convert to fraction form
    8.44/12.65 = 4.11/x
  3. Step 3: Cross multiply
    8.44x = 12.65 × 4.11
  4. Step 4: Simplify right side
    8.44x = 51.97
  5. Step 5: Solve for x
    x = 51.97/8.44
  6. Step 6: Final answer
    x = 6.16

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