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Finding the Fourth Proportional to 57,997.78, 80,035.60 and 33,797.20

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Solution

The fourth proportional to 57,997.78, 80,035.60 and 33,797.20 is: 46,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,997.78 : 80,035.60 = 33,797.20 : x
  2. Step 2: Convert to fraction form
    57,997.78/80,035.60 = 33,797.20/x
  3. Step 3: Cross multiply
    57,997.78x = 80,035.60 × 33,797.20
  4. Step 4: Simplify right side
    57,997.78x = 2,704,979,180.32
  5. Step 5: Solve for x
    x = 2,704,979,180.32/57,997.78
  6. Step 6: Final answer
    x = 46,639.36

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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.