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Finding the Fourth Proportional to 60,245.92, 90,379.22 and 20,793.80

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Solution

The fourth proportional to 60,245.92, 90,379.22 and 20,793.80 is: 31,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,245.92 : 90,379.22 = 20,793.80 : x
  2. Step 2: Convert to fraction form
    60,245.92/90,379.22 = 20,793.80/x
  3. Step 3: Cross multiply
    60,245.92x = 90,379.22 × 20,793.80
  4. Step 4: Simplify right side
    60,245.92x = 1,879,327,424.84
  5. Step 5: Solve for x
    x = 1,879,327,424.84/60,245.92
  6. Step 6: Final answer
    x = 31,194.27

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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.