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Finding the Fourth Proportional to 36,793.57, 50,782.13 and 20,879.50

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Solution

The fourth proportional to 36,793.57, 50,782.13 and 20,879.50 is: 28,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,793.57 : 50,782.13 = 20,879.50 : x
  2. Step 2: Convert to fraction form
    36,793.57/50,782.13 = 20,879.50/x
  3. Step 3: Cross multiply
    36,793.57x = 50,782.13 × 20,879.50
  4. Step 4: Simplify right side
    36,793.57x = 1,060,305,483.34
  5. Step 5: Solve for x
    x = 1,060,305,483.34/36,793.57
  6. Step 6: Final answer
    x = 28,817.68

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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.