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Finding the Fourth Proportional to 36,891.75, 50,910.62 and 20,124.75

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Solution

The fourth proportional to 36,891.75, 50,910.62 and 20,124.75 is: 27,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.75 : 50,910.62 = 20,124.75 : x
  2. Step 2: Convert to fraction form
    36,891.75/50,910.62 = 20,124.75/x
  3. Step 3: Cross multiply
    36,891.75x = 50,910.62 × 20,124.75
  4. Step 4: Simplify right side
    36,891.75x = 1,024,563,399.22
  5. Step 5: Solve for x
    x = 1,024,563,399.22/36,891.75
  6. Step 6: Final answer
    x = 27,772.16

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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.