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Finding the Fourth Proportional to 36,850.71, 50,854.14 and 20,936.04

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Solution

The fourth proportional to 36,850.71, 50,854.14 and 20,936.04 is: 28,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,850.71 : 50,854.14 = 20,936.04 : x
  2. Step 2: Convert to fraction form
    36,850.71/50,854.14 = 20,936.04/x
  3. Step 3: Cross multiply
    36,850.71x = 50,854.14 × 20,936.04
  4. Step 4: Simplify right side
    36,850.71x = 1,064,684,309.21
  5. Step 5: Solve for x
    x = 1,064,684,309.21/36,850.71
  6. Step 6: Final answer
    x = 28,891.83

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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.