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Finding the Fourth Proportional to 12.41, 17.13 and 6.96

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Solution

The fourth proportional to 12.41, 17.13 and 6.96 is: 9.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.41 : 17.13 = 6.96 : x
  2. Step 2: Convert to fraction form
    12.41/17.13 = 6.96/x
  3. Step 3: Cross multiply
    12.41x = 17.13 × 6.96
  4. Step 4: Simplify right side
    12.41x = 119.14
  5. Step 5: Solve for x
    x = 119.14/12.41
  6. Step 6: Final answer
    x = 9.60

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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.