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Finding the Fourth Proportional to 11.67, 17.46 and 10.14

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Solution

The fourth proportional to 11.67, 17.46 and 10.14 is: 15.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.67 : 17.46 = 10.14 : x
  2. Step 2: Convert to fraction form
    11.67/17.46 = 10.14/x
  3. Step 3: Cross multiply
    11.67x = 17.46 × 10.14
  4. Step 4: Simplify right side
    11.67x = 177.04
  5. Step 5: Solve for x
    x = 177.04/11.67
  6. Step 6: Final answer
    x = 15.17

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Why These Related Problems?

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