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Finding the Fourth Proportional to 17.43, 25.97 and 16.32

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Solution

The fourth proportional to 17.43, 25.97 and 16.32 is: 24.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.43 : 25.97 = 16.32 : x
  2. Step 2: Convert to fraction form
    17.43/25.97 = 16.32/x
  3. Step 3: Cross multiply
    17.43x = 25.97 × 16.32
  4. Step 4: Simplify right side
    17.43x = 423.81
  5. Step 5: Solve for x
    x = 423.81/17.43
  6. Step 6: Final answer
    x = 24.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.