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Finding the Fourth Proportional to 57,773.44, 79,728.32 and 33,906.56

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Solution

The fourth proportional to 57,773.44, 79,728.32 and 33,906.56 is: 46,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,773.44 : 79,728.32 = 33,906.56 : x
  2. Step 2: Convert to fraction form
    57,773.44/79,728.32 = 33,906.56/x
  3. Step 3: Cross multiply
    57,773.44x = 79,728.32 × 33,906.56
  4. Step 4: Simplify right side
    57,773.44x = 2,703,313,065.78
  5. Step 5: Solve for x
    x = 2,703,313,065.78/57,773.44
  6. Step 6: Final answer
    x = 46,791.62

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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.