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Finding the Fourth Proportional to 11.14, 17.14 and 11.14

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Solution

The fourth proportional to 11.14, 17.14 and 11.14 is: 17.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.14 : 17.14 = 11.14 : x
  2. Step 2: Convert to fraction form
    11.14/17.14 = 11.14/x
  3. Step 3: Cross multiply
    11.14x = 17.14 × 11.14
  4. Step 4: Simplify right side
    11.14x = 190.94
  5. Step 5: Solve for x
    x = 190.94/11.14
  6. Step 6: Final answer
    x = 17.14

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.