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Finding the Fourth Proportional to 16.73, 23.07 and 12.62

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Solution

The fourth proportional to 16.73, 23.07 and 12.62 is: 17.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.73 : 23.07 = 12.62 : x
  2. Step 2: Convert to fraction form
    16.73/23.07 = 12.62/x
  3. Step 3: Cross multiply
    16.73x = 23.07 × 12.62
  4. Step 4: Simplify right side
    16.73x = 291.14
  5. Step 5: Solve for x
    x = 291.14/16.73
  6. Step 6: Final answer
    x = 17.40

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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.