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Finding the Fourth Proportional to 37,251.92, 51,404.60 and 21,936.04

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Solution

The fourth proportional to 37,251.92, 51,404.60 and 21,936.04 is: 30,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,251.92 : 51,404.60 = 21,936.04 : x
  2. Step 2: Convert to fraction form
    37,251.92/51,404.60 = 21,936.04/x
  3. Step 3: Cross multiply
    37,251.92x = 51,404.60 × 21,936.04
  4. Step 4: Simplify right side
    37,251.92x = 1,127,613,361.78
  5. Step 5: Solve for x
    x = 1,127,613,361.78/37,251.92
  6. Step 6: Final answer
    x = 30,269.94

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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.