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Finding the Fourth Proportional to 17.43, 24.03 and 14.70

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Solution

The fourth proportional to 17.43, 24.03 and 14.70 is: 20.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.43 : 24.03 = 14.70 : x
  2. Step 2: Convert to fraction form
    17.43/24.03 = 14.70/x
  3. Step 3: Cross multiply
    17.43x = 24.03 × 14.70
  4. Step 4: Simplify right side
    17.43x = 353.24
  5. Step 5: Solve for x
    x = 353.24/17.43
  6. Step 6: Final answer
    x = 20.27

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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.