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Finding the Fourth Proportional to 39,997.96, 59,993.42 and 36,865.96

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Solution

The fourth proportional to 39,997.96, 59,993.42 and 36,865.96 is: 55,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,997.96 : 59,993.42 = 36,865.96 : x
  2. Step 2: Convert to fraction form
    39,997.96/59,993.42 = 36,865.96/x
  3. Step 3: Cross multiply
    39,997.96x = 59,993.42 × 36,865.96
  4. Step 4: Simplify right side
    39,997.96x = 2,211,715,021.98
  5. Step 5: Solve for x
    x = 2,211,715,021.98/39,997.96
  6. Step 6: Final answer
    x = 55,295.70

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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.