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Finding the Fourth Proportional to 17.73, 24.43 and 14.82

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Solution

The fourth proportional to 17.73, 24.43 and 14.82 is: 20.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.73 : 24.43 = 14.82 : x
  2. Step 2: Convert to fraction form
    17.73/24.43 = 14.82/x
  3. Step 3: Cross multiply
    17.73x = 24.43 × 14.82
  4. Step 4: Simplify right side
    17.73x = 362.11
  5. Step 5: Solve for x
    x = 362.11/17.73
  6. Step 6: Final answer
    x = 20.43

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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.