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Finding the Fourth Proportional to 28,793.62, 43,190.43 and 11,251.14

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Solution

The fourth proportional to 28,793.62, 43,190.43 and 11,251.14 is: 16,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.62 : 43,190.43 = 11,251.14 : x
  2. Step 2: Convert to fraction form
    28,793.62/43,190.43 = 11,251.14/x
  3. Step 3: Cross multiply
    28,793.62x = 43,190.43 × 11,251.14
  4. Step 4: Simplify right side
    28,793.62x = 485,941,574.59
  5. Step 5: Solve for x
    x = 485,941,574.59/28,793.62
  6. Step 6: Final answer
    x = 16,876.71

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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.