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Finding the Fourth Proportional to 36,871.78, 50,883.78 and 20,104.78

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Solution

The fourth proportional to 36,871.78, 50,883.78 and 20,104.78 is: 27,744.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,871.78 : 50,883.78 = 20,104.78 : x
  2. Step 2: Convert to fraction form
    36,871.78/50,883.78 = 20,104.78/x
  3. Step 3: Cross multiply
    36,871.78x = 50,883.78 × 20,104.78
  4. Step 4: Simplify right side
    36,871.78x = 1,023,007,202.47
  5. Step 5: Solve for x
    x = 1,023,007,202.47/36,871.78
  6. Step 6: Final answer
    x = 27,744.99

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1.5x scale

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.