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Finding the Fourth Proportional to 36,809.38, 50,797.56 and 20,894.32

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Solution

The fourth proportional to 36,809.38, 50,797.56 and 20,894.32 is: 28,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,809.38 : 50,797.56 = 20,894.32 : x
  2. Step 2: Convert to fraction form
    36,809.38/50,797.56 = 20,894.32/x
  3. Step 3: Cross multiply
    36,809.38x = 50,797.56 × 20,894.32
  4. Step 4: Simplify right side
    36,809.38x = 1,061,380,473.86
  5. Step 5: Solve for x
    x = 1,061,380,473.86/36,809.38
  6. Step 6: Final answer
    x = 28,834.51

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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.