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Finding the Fourth Proportional to 57,993.39, 80,069.44 and 44,540.61

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Solution

The fourth proportional to 57,993.39, 80,069.44 and 44,540.61 is: 61,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993.39 : 80,069.44 = 44,540.61 : x
  2. Step 2: Convert to fraction form
    57,993.39/80,069.44 = 44,540.61/x
  3. Step 3: Cross multiply
    57,993.39x = 80,069.44 × 44,540.61
  4. Step 4: Simplify right side
    57,993.39x = 3,566,341,699.96
  5. Step 5: Solve for x
    x = 3,566,341,699.96/57,993.39
  6. Step 6: Final answer
    x = 61,495.66

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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.