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Finding the Fourth Proportional to 18,793.15, 28,194.08 and 5,466.46

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Solution

The fourth proportional to 18,793.15, 28,194.08 and 5,466.46 is: 8,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.15 : 28,194.08 = 5,466.46 : x
  2. Step 2: Convert to fraction form
    18,793.15/28,194.08 = 5,466.46/x
  3. Step 3: Cross multiply
    18,793.15x = 28,194.08 × 5,466.46
  4. Step 4: Simplify right side
    18,793.15x = 154,121,712.74
  5. Step 5: Solve for x
    x = 154,121,712.74/18,793.15
  6. Step 6: Final answer
    x = 8,200.95

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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.