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Finding the Fourth Proportional to 57,874.03, 79,865.72 and 32,724.43

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Solution

The fourth proportional to 57,874.03, 79,865.72 and 32,724.43 is: 45,159.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,874.03 : 79,865.72 = 32,724.43 : x
  2. Step 2: Convert to fraction form
    57,874.03/79,865.72 = 32,724.43/x
  3. Step 3: Cross multiply
    57,874.03x = 79,865.72 × 32,724.43
  4. Step 4: Simplify right side
    57,874.03x = 2,613,560,163.54
  5. Step 5: Solve for x
    x = 2,613,560,163.54/57,874.03
  6. Step 6: Final answer
    x = 45,159.46

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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.