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Finding the Fourth Proportional to 57,629.70, 86,509.35 and 44,540.10

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Solution

The fourth proportional to 57,629.70, 86,509.35 and 44,540.10 is: 66,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,629.70 : 86,509.35 = 44,540.10 : x
  2. Step 2: Convert to fraction form
    57,629.70/86,509.35 = 44,540.10/x
  3. Step 3: Cross multiply
    57,629.70x = 86,509.35 × 44,540.10
  4. Step 4: Simplify right side
    57,629.70x = 3,853,135,099.94
  5. Step 5: Solve for x
    x = 3,853,135,099.94/57,629.70
  6. Step 6: Final answer
    x = 66,860.23

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Why These Related Problems?

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