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Finding the Fourth Proportional to 36,761.96, 50,734.14 and 20,847.80

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Solution

The fourth proportional to 36,761.96, 50,734.14 and 20,847.80 is: 28,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,761.96 : 50,734.14 = 20,847.80 : x
  2. Step 2: Convert to fraction form
    36,761.96/50,734.14 = 20,847.80/x
  3. Step 3: Cross multiply
    36,761.96x = 50,734.14 × 20,847.80
  4. Step 4: Simplify right side
    36,761.96x = 1,057,695,203.89
  5. Step 5: Solve for x
    x = 1,057,695,203.89/36,761.96
  6. Step 6: Final answer
    x = 28,771.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.