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Finding the Fourth Proportional to 36,085.54, 49,797.90 and 20,169.97

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Solution

The fourth proportional to 36,085.54, 49,797.90 and 20,169.97 is: 27,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,085.54 : 49,797.90 = 20,169.97 : x
  2. Step 2: Convert to fraction form
    36,085.54/49,797.90 = 20,169.97/x
  3. Step 3: Cross multiply
    36,085.54x = 49,797.90 × 20,169.97
  4. Step 4: Simplify right side
    36,085.54x = 1,004,422,149.06
  5. Step 5: Solve for x
    x = 1,004,422,149.06/36,085.54
  6. Step 6: Final answer
    x = 27,834.48

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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.