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Finding the Fourth Proportional to 23.98, 35.97 and 13.27

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Solution

The fourth proportional to 23.98, 35.97 and 13.27 is: 19.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.98 : 35.97 = 13.27 : x
  2. Step 2: Convert to fraction form
    23.98/35.97 = 13.27/x
  3. Step 3: Cross multiply
    23.98x = 35.97 × 13.27
  4. Step 4: Simplify right side
    23.98x = 477.32
  5. Step 5: Solve for x
    x = 477.32/23.98
  6. Step 6: Final answer
    x = 19.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.