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Finding the Fourth Proportional to 18,280.73, 27,432.02 and 16,793.57

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Solution

The fourth proportional to 18,280.73, 27,432.02 and 16,793.57 is: 25,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.73 : 27,432.02 = 16,793.57 : x
  2. Step 2: Convert to fraction form
    18,280.73/27,432.02 = 16,793.57/x
  3. Step 3: Cross multiply
    18,280.73x = 27,432.02 × 16,793.57
  4. Step 4: Simplify right side
    18,280.73x = 460,681,658.68
  5. Step 5: Solve for x
    x = 460,681,658.68/18,280.73
  6. Step 6: Final answer
    x = 25,200.39

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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.