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Finding the Fourth Proportional to 66,992.88, 100,454.76 and 27,542.64

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Solution

The fourth proportional to 66,992.88, 100,454.76 and 27,542.64 is: 41,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,992.88 : 100,454.76 = 27,542.64 : x
  2. Step 2: Convert to fraction form
    66,992.88/100,454.76 = 27,542.64/x
  3. Step 3: Cross multiply
    66,992.88x = 100,454.76 × 27,542.64
  4. Step 4: Simplify right side
    66,992.88x = 2,766,789,290.97
  5. Step 5: Solve for x
    x = 2,766,789,290.97/66,992.88
  6. Step 6: Final answer
    x = 41,299.75

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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.