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Finding the Fourth Proportional to 33.13, 49.70 and 25.62

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Solution

The fourth proportional to 33.13, 49.70 and 25.62 is: 38.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.13 : 49.70 = 25.62 : x
  2. Step 2: Convert to fraction form
    33.13/49.70 = 25.62/x
  3. Step 3: Cross multiply
    33.13x = 49.70 × 25.62
  4. Step 4: Simplify right side
    33.13x = 1,273.38
  5. Step 5: Solve for x
    x = 1,273.38/33.13
  6. Step 6: Final answer
    x = 38.43

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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.