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Finding the Fourth Proportional to 36,794.87, 50,778.14 and 20,879.99

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Solution

The fourth proportional to 36,794.87, 50,778.14 and 20,879.99 is: 28,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,794.87 : 50,778.14 = 20,879.99 : x
  2. Step 2: Convert to fraction form
    36,794.87/50,778.14 = 20,879.99/x
  3. Step 3: Cross multiply
    36,794.87x = 50,778.14 × 20,879.99
  4. Step 4: Simplify right side
    36,794.87x = 1,060,246,697.13
  5. Step 5: Solve for x
    x = 1,060,246,697.13/36,794.87
  6. Step 6: Final answer
    x = 28,815.07

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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.