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Finding the Fourth Proportional to 16.73, 23.10 and 12.63

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Solution

The fourth proportional to 16.73, 23.10 and 12.63 is: 17.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.73 : 23.10 = 12.63 : x
  2. Step 2: Convert to fraction form
    16.73/23.10 = 12.63/x
  3. Step 3: Cross multiply
    16.73x = 23.10 × 12.63
  4. Step 4: Simplify right side
    16.73x = 291.69
  5. Step 5: Solve for x
    x = 291.69/16.73
  6. Step 6: Final answer
    x = 17.44

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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.