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Finding the Fourth Proportional to 36,871.02, 50,882.31 and 20,104.02

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Solution

The fourth proportional to 36,871.02, 50,882.31 and 20,104.02 is: 27,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,871.02 : 50,882.31 = 20,104.02 : x
  2. Step 2: Convert to fraction form
    36,871.02/50,882.31 = 20,104.02/x
  3. Step 3: Cross multiply
    36,871.02x = 50,882.31 × 20,104.02
  4. Step 4: Simplify right side
    36,871.02x = 1,022,938,977.89
  5. Step 5: Solve for x
    x = 1,022,938,977.89/36,871.02
  6. Step 6: Final answer
    x = 27,743.71

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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.