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Finding the Fourth Proportional to 57,640.20, 86,525.10 and 44,550.60

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Solution

The fourth proportional to 57,640.20, 86,525.10 and 44,550.60 is: 66,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,640.20 : 86,525.10 = 44,550.60 : x
  2. Step 2: Convert to fraction form
    57,640.20/86,525.10 = 44,550.60/x
  3. Step 3: Cross multiply
    57,640.20x = 86,525.10 × 44,550.60
  4. Step 4: Simplify right side
    57,640.20x = 3,854,745,120.06
  5. Step 5: Solve for x
    x = 3,854,745,120.06/57,640.20
  6. Step 6: Final answer
    x = 66,875.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.