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Finding the Fourth Proportional to 57,993.68, 80,028.60 and 32,843.36

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Solution

The fourth proportional to 57,993.68, 80,028.60 and 32,843.36 is: 45,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993.68 : 80,028.60 = 32,843.36 : x
  2. Step 2: Convert to fraction form
    57,993.68/80,028.60 = 32,843.36/x
  3. Step 3: Cross multiply
    57,993.68x = 80,028.60 × 32,843.36
  4. Step 4: Simplify right side
    57,993.68x = 2,628,408,120.10
  5. Step 5: Solve for x
    x = 2,628,408,120.10/57,993.68
  6. Step 6: Final answer
    x = 45,322.32

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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.