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Finding the Fourth Proportional to 36,687.83, 50,629.82 and 20,554.97

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Solution

The fourth proportional to 36,687.83, 50,629.82 and 20,554.97 is: 28,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.83 : 50,629.82 = 20,554.97 : x
  2. Step 2: Convert to fraction form
    36,687.83/50,629.82 = 20,554.97/x
  3. Step 3: Cross multiply
    36,687.83x = 50,629.82 × 20,554.97
  4. Step 4: Simplify right side
    36,687.83x = 1,040,694,075.28
  5. Step 5: Solve for x
    x = 1,040,694,075.28/36,687.83
  6. Step 6: Final answer
    x = 28,366.19

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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.