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Finding the Fourth Proportional to 27,286.80, 40,908.60 and 14,974.80

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Solution

The fourth proportional to 27,286.80, 40,908.60 and 14,974.80 is: 22,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.80 : 40,908.60 = 14,974.80 : x
  2. Step 2: Convert to fraction form
    27,286.80/40,908.60 = 14,974.80/x
  3. Step 3: Cross multiply
    27,286.80x = 40,908.60 × 14,974.80
  4. Step 4: Simplify right side
    27,286.80x = 612,598,103.28
  5. Step 5: Solve for x
    x = 612,598,103.28/27,286.80
  6. Step 6: Final answer
    x = 22,450.35

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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.