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Finding the Fourth Proportional to 18,273.94, 27,414.94 and 5,797.78

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Solution

The fourth proportional to 18,273.94, 27,414.94 and 5,797.78 is: 8,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.94 : 27,414.94 = 5,797.78 : x
  2. Step 2: Convert to fraction form
    18,273.94/27,414.94 = 5,797.78/x
  3. Step 3: Cross multiply
    18,273.94x = 27,414.94 × 5,797.78
  4. Step 4: Simplify right side
    18,273.94x = 158,945,790.83
  5. Step 5: Solve for x
    x = 158,945,790.83/18,273.94
  6. Step 6: Final answer
    x = 8,697.95

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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.