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Finding the Fourth Proportional to 18,229.20, 27,310.20 and 10,414.80

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Solution

The fourth proportional to 18,229.20, 27,310.20 and 10,414.80 is: 15,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.20 : 27,310.20 = 10,414.80 : x
  2. Step 2: Convert to fraction form
    18,229.20/27,310.20 = 10,414.80/x
  3. Step 3: Cross multiply
    18,229.20x = 27,310.20 × 10,414.80
  4. Step 4: Simplify right side
    18,229.20x = 284,430,270.96
  5. Step 5: Solve for x
    x = 284,430,270.96/18,229.20
  6. Step 6: Final answer
    x = 15,603.00

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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.