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Finding the Fourth Proportional to 29.97, 41.28 and 23.04

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Solution

The fourth proportional to 29.97, 41.28 and 23.04 is: 31.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.97 : 41.28 = 23.04 : x
  2. Step 2: Convert to fraction form
    29.97/41.28 = 23.04/x
  3. Step 3: Cross multiply
    29.97x = 41.28 × 23.04
  4. Step 4: Simplify right side
    29.97x = 951.09
  5. Step 5: Solve for x
    x = 951.09/29.97
  6. Step 6: Final answer
    x = 31.73

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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.