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Finding the Fourth Proportional to 27,954.88, 41,895.15 and 20,524.48

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Solution

The fourth proportional to 27,954.88, 41,895.15 and 20,524.48 is: 30,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.88 : 41,895.15 = 20,524.48 : x
  2. Step 2: Convert to fraction form
    27,954.88/41,895.15 = 20,524.48/x
  3. Step 3: Cross multiply
    27,954.88x = 41,895.15 × 20,524.48
  4. Step 4: Simplify right side
    27,954.88x = 859,876,168.27
  5. Step 5: Solve for x
    x = 859,876,168.27/27,954.88
  6. Step 6: Final answer
    x = 30,759.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.