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Finding the Fourth Proportional to 36,847.78, 50,849.99 and 20,080.78

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Solution

The fourth proportional to 36,847.78, 50,849.99 and 20,080.78 is: 27,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,847.78 : 50,849.99 = 20,080.78 : x
  2. Step 2: Convert to fraction form
    36,847.78/50,849.99 = 20,080.78/x
  3. Step 3: Cross multiply
    36,847.78x = 50,849.99 × 20,080.78
  4. Step 4: Simplify right side
    36,847.78x = 1,021,107,500.65
  5. Step 5: Solve for x
    x = 1,021,107,500.65/36,847.78
  6. Step 6: Final answer
    x = 27,711.51

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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.