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Finding the Fourth Proportional to 17.56, 24.12 and 16.52

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Solution

The fourth proportional to 17.56, 24.12 and 16.52 is: 22.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.56 : 24.12 = 16.52 : x
  2. Step 2: Convert to fraction form
    17.56/24.12 = 16.52/x
  3. Step 3: Cross multiply
    17.56x = 24.12 × 16.52
  4. Step 4: Simplify right side
    17.56x = 398.46
  5. Step 5: Solve for x
    x = 398.46/17.56
  6. Step 6: Final answer
    x = 22.69

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.