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Finding the Fourth Proportional to 17.43, 26.09 and 10.67

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Solution

The fourth proportional to 17.43, 26.09 and 10.67 is: 15.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.43 : 26.09 = 10.67 : x
  2. Step 2: Convert to fraction form
    17.43/26.09 = 10.67/x
  3. Step 3: Cross multiply
    17.43x = 26.09 × 10.67
  4. Step 4: Simplify right side
    17.43x = 278.46
  5. Step 5: Solve for x
    x = 278.46/17.43
  6. Step 6: Final answer
    x = 15.97

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