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Finding the Fourth Proportional to 17.44, 26.14 and 8.43

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Solution

The fourth proportional to 17.44, 26.14 and 8.43 is: 12.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.44 : 26.14 = 8.43 : x
  2. Step 2: Convert to fraction form
    17.44/26.14 = 8.43/x
  3. Step 3: Cross multiply
    17.44x = 26.14 × 8.43
  4. Step 4: Simplify right side
    17.44x = 220.23
  5. Step 5: Solve for x
    x = 220.23/17.44
  6. Step 6: Final answer
    x = 12.63

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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.