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Finding the Fourth Proportional to 23.67, 32.67 and 13.97

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Solution

The fourth proportional to 23.67, 32.67 and 13.97 is: 19.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.67 : 32.67 = 13.97 : x
  2. Step 2: Convert to fraction form
    23.67/32.67 = 13.97/x
  3. Step 3: Cross multiply
    23.67x = 32.67 × 13.97
  4. Step 4: Simplify right side
    23.67x = 456.33
  5. Step 5: Solve for x
    x = 456.33/23.67
  6. Step 6: Final answer
    x = 19.28

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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.