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Finding the Fourth Proportional to 18,563.33, 27,845.60 and 5,414.60

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Solution

The fourth proportional to 18,563.33, 27,845.60 and 5,414.60 is: 8,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.33 : 27,845.60 = 5,414.60 : x
  2. Step 2: Convert to fraction form
    18,563.33/27,845.60 = 5,414.60/x
  3. Step 3: Cross multiply
    18,563.33x = 27,845.60 × 5,414.60
  4. Step 4: Simplify right side
    18,563.33x = 150,772,619.46
  5. Step 5: Solve for x
    x = 150,772,619.46/18,563.33
  6. Step 6: Final answer
    x = 8,122.07

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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.