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Finding the Fourth Proportional to 18,794.22, 28,182.83 and 8,945.43

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Solution

The fourth proportional to 18,794.22, 28,182.83 and 8,945.43 is: 13,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.22 : 28,182.83 = 8,945.43 : x
  2. Step 2: Convert to fraction form
    18,794.22/28,182.83 = 8,945.43/x
  3. Step 3: Cross multiply
    18,794.22x = 28,182.83 × 8,945.43
  4. Step 4: Simplify right side
    18,794.22x = 252,107,488.24
  5. Step 5: Solve for x
    x = 252,107,488.24/18,794.22
  6. Step 6: Final answer
    x = 13,414.10

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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.