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Finding the Fourth Proportional to 36,809.83, 50,797.81 and 20,894.55

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Solution

The fourth proportional to 36,809.83, 50,797.81 and 20,894.55 is: 28,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,809.83 : 50,797.81 = 20,894.55 : x
  2. Step 2: Convert to fraction form
    36,809.83/50,797.81 = 20,894.55/x
  3. Step 3: Cross multiply
    36,809.83x = 50,797.81 × 20,894.55
  4. Step 4: Simplify right side
    36,809.83x = 1,061,397,380.94
  5. Step 5: Solve for x
    x = 1,061,397,380.94/36,809.83
  6. Step 6: Final answer
    x = 28,834.62

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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.