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Finding the Fourth Proportional to 36,809.43, 50,799.65 and 20,894.91

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Solution

The fourth proportional to 36,809.43, 50,799.65 and 20,894.91 is: 28,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,809.43 : 50,799.65 = 20,894.91 : x
  2. Step 2: Convert to fraction form
    36,809.43/50,799.65 = 20,894.91/x
  3. Step 3: Cross multiply
    36,809.43x = 50,799.65 × 20,894.91
  4. Step 4: Simplify right side
    36,809.43x = 1,061,454,114.78
  5. Step 5: Solve for x
    x = 1,061,454,114.78/36,809.43
  6. Step 6: Final answer
    x = 28,836.47

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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.