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Finding the Fourth Proportional to 23.97, 35.89 and 11.95

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Solution

The fourth proportional to 23.97, 35.89 and 11.95 is: 17.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.97 : 35.89 = 11.95 : x
  2. Step 2: Convert to fraction form
    23.97/35.89 = 11.95/x
  3. Step 3: Cross multiply
    23.97x = 35.89 × 11.95
  4. Step 4: Simplify right side
    23.97x = 428.89
  5. Step 5: Solve for x
    x = 428.89/23.97
  6. Step 6: Final answer
    x = 17.89

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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.