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Finding the Fourth Proportional to 57,883.73, 86,825.10 and 45,244.12

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Solution

The fourth proportional to 57,883.73, 86,825.10 and 45,244.12 is: 67,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,883.73 : 86,825.10 = 45,244.12 : x
  2. Step 2: Convert to fraction form
    57,883.73/86,825.10 = 45,244.12/x
  3. Step 3: Cross multiply
    57,883.73x = 86,825.10 × 45,244.12
  4. Step 4: Simplify right side
    57,883.73x = 3,928,324,809.29
  5. Step 5: Solve for x
    x = 3,928,324,809.29/57,883.73
  6. Step 6: Final answer
    x = 67,865.79

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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.