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Finding the Fourth Proportional to 38,793.87, 58,191.34 and 11,091.87

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Solution

The fourth proportional to 38,793.87, 58,191.34 and 11,091.87 is: 16,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,793.87 : 58,191.34 = 11,091.87 : x
  2. Step 2: Convert to fraction form
    38,793.87/58,191.34 = 11,091.87/x
  3. Step 3: Cross multiply
    38,793.87x = 58,191.34 × 11,091.87
  4. Step 4: Simplify right side
    38,793.87x = 645,450,487.45
  5. Step 5: Solve for x
    x = 645,450,487.45/38,793.87
  6. Step 6: Final answer
    x = 16,637.95

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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.