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Finding the Fourth Proportional to 26,773.92, 40,109.00 and 20,604.96

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Solution

The fourth proportional to 26,773.92, 40,109.00 and 20,604.96 is: 30,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,773.92 : 40,109.00 = 20,604.96 : x
  2. Step 2: Convert to fraction form
    26,773.92/40,109.00 = 20,604.96/x
  3. Step 3: Cross multiply
    26,773.92x = 40,109.00 × 20,604.96
  4. Step 4: Simplify right side
    26,773.92x = 826,444,237.62
  5. Step 5: Solve for x
    x = 826,444,237.62/26,773.92
  6. Step 6: Final answer
    x = 30,867.51

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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.