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Finding the Fourth Proportional to 27,067.80, 40,601.70 and 17,736.60

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Solution

The fourth proportional to 27,067.80, 40,601.70 and 17,736.60 is: 26,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,067.80 : 40,601.70 = 17,736.60 : x
  2. Step 2: Convert to fraction form
    27,067.80/40,601.70 = 17,736.60/x
  3. Step 3: Cross multiply
    27,067.80x = 40,601.70 × 17,736.60
  4. Step 4: Simplify right side
    27,067.80x = 720,136,112.22
  5. Step 5: Solve for x
    x = 720,136,112.22/27,067.80
  6. Step 6: Final answer
    x = 26,604.90

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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.