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Finding the Fourth Proportional to 57,993.23, 80,069.21 and 44,540.45

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Solution

The fourth proportional to 57,993.23, 80,069.21 and 44,540.45 is: 61,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993.23 : 80,069.21 = 44,540.45 : x
  2. Step 2: Convert to fraction form
    57,993.23/80,069.21 = 44,540.45/x
  3. Step 3: Cross multiply
    57,993.23x = 80,069.21 × 44,540.45
  4. Step 4: Simplify right side
    57,993.23x = 3,566,318,021.50
  5. Step 5: Solve for x
    x = 3,566,318,021.50/57,993.23
  6. Step 6: Final answer
    x = 61,495.43

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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.