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Finding the Fourth Proportional to 18,662.94, 27,997.38 and 6,183.41

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Solution

The fourth proportional to 18,662.94, 27,997.38 and 6,183.41 is: 9,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.94 : 27,997.38 = 6,183.41 : x
  2. Step 2: Convert to fraction form
    18,662.94/27,997.38 = 6,183.41/x
  3. Step 3: Cross multiply
    18,662.94x = 27,997.38 × 6,183.41
  4. Step 4: Simplify right side
    18,662.94x = 173,119,139.48
  5. Step 5: Solve for x
    x = 173,119,139.48/18,662.94
  6. Step 6: Final answer
    x = 9,276.09

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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.