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Finding the Fourth Proportional to 36,889.44, 50,906.88 and 20,755.52

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Solution

The fourth proportional to 36,889.44, 50,906.88 and 20,755.52 is: 28,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,889.44 : 50,906.88 = 20,755.52 : x
  2. Step 2: Convert to fraction form
    36,889.44/50,906.88 = 20,755.52/x
  3. Step 3: Cross multiply
    36,889.44x = 50,906.88 × 20,755.52
  4. Step 4: Simplify right side
    36,889.44x = 1,056,598,765.98
  5. Step 5: Solve for x
    x = 1,056,598,765.98/36,889.44
  6. Step 6: Final answer
    x = 28,642.31

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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.