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Finding the Fourth Proportional to 11.44, 17.14 and 5.73

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Solution

The fourth proportional to 11.44, 17.14 and 5.73 is: 8.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.44 : 17.14 = 5.73 : x
  2. Step 2: Convert to fraction form
    11.44/17.14 = 5.73/x
  3. Step 3: Cross multiply
    11.44x = 17.14 × 5.73
  4. Step 4: Simplify right side
    11.44x = 98.21
  5. Step 5: Solve for x
    x = 98.21/11.44
  6. Step 6: Final answer
    x = 8.58

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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.