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Finding the Fourth Proportional to 17.57, 24.26 and 10.67

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Solution

The fourth proportional to 17.57, 24.26 and 10.67 is: 14.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.57 : 24.26 = 10.67 : x
  2. Step 2: Convert to fraction form
    17.57/24.26 = 10.67/x
  3. Step 3: Cross multiply
    17.57x = 24.26 × 10.67
  4. Step 4: Simplify right side
    17.57x = 258.68
  5. Step 5: Solve for x
    x = 258.68/17.57
  6. Step 6: Final answer
    x = 14.72

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Why These Related Problems?

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