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Finding the Fourth Proportional to 11.41, 17.01 and 11.39

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Solution

The fourth proportional to 11.41, 17.01 and 11.39 is: 16.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.41 : 17.01 = 11.39 : x
  2. Step 2: Convert to fraction form
    11.41/17.01 = 11.39/x
  3. Step 3: Cross multiply
    11.41x = 17.01 × 11.39
  4. Step 4: Simplify right side
    11.41x = 193.69
  5. Step 5: Solve for x
    x = 193.69/11.41
  6. Step 6: Final answer
    x = 16.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.