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Finding the Fourth Proportional to 17.00, 25.43 and 11.27

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Solution

The fourth proportional to 17.00, 25.43 and 11.27 is: 16.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.00 : 25.43 = 11.27 : x
  2. Step 2: Convert to fraction form
    17.00/25.43 = 11.27/x
  3. Step 3: Cross multiply
    17.00x = 25.43 × 11.27
  4. Step 4: Simplify right side
    17.00x = 286.41
  5. Step 5: Solve for x
    x = 286.41/17.00
  6. Step 6: Final answer
    x = 16.85

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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.