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Finding the Fourth Proportional to 18,230.80, 27,346.20 and 16,589.20

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Solution

The fourth proportional to 18,230.80, 27,346.20 and 16,589.20 is: 24,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.80 : 27,346.20 = 16,589.20 : x
  2. Step 2: Convert to fraction form
    18,230.80/27,346.20 = 16,589.20/x
  3. Step 3: Cross multiply
    18,230.80x = 27,346.20 × 16,589.20
  4. Step 4: Simplify right side
    18,230.80x = 453,651,581.04
  5. Step 5: Solve for x
    x = 453,651,581.04/18,230.80
  6. Step 6: Final answer
    x = 24,883.80

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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.