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Finding the Fourth Proportional to 17.43, 24.06 and 11.30

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Solution

The fourth proportional to 17.43, 24.06 and 11.30 is: 15.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.43 : 24.06 = 11.30 : x
  2. Step 2: Convert to fraction form
    17.43/24.06 = 11.30/x
  3. Step 3: Cross multiply
    17.43x = 24.06 × 11.30
  4. Step 4: Simplify right side
    17.43x = 271.76
  5. Step 5: Solve for x
    x = 271.76/17.43
  6. Step 6: Final answer
    x = 15.59

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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.