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Finding the Fourth Proportional to 17.57, 24.27 and 11.44

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Solution

The fourth proportional to 17.57, 24.27 and 11.44 is: 15.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.57 : 24.27 = 11.44 : x
  2. Step 2: Convert to fraction form
    17.57/24.27 = 11.44/x
  3. Step 3: Cross multiply
    17.57x = 24.27 × 11.44
  4. Step 4: Simplify right side
    17.57x = 277.64
  5. Step 5: Solve for x
    x = 277.64/17.57
  6. Step 6: Final answer
    x = 15.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.