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Finding the Fourth Proportional to 57,884.52, 86,825.87 and 18,441.37

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Solution

The fourth proportional to 57,884.52, 86,825.87 and 18,441.37 is: 27,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,884.52 : 86,825.87 = 18,441.37 : x
  2. Step 2: Convert to fraction form
    57,884.52/86,825.87 = 18,441.37/x
  3. Step 3: Cross multiply
    57,884.52x = 86,825.87 × 18,441.37
  4. Step 4: Simplify right side
    57,884.52x = 1,601,187,754.13
  5. Step 5: Solve for x
    x = 1,601,187,754.13/57,884.52
  6. Step 6: Final answer
    x = 27,661.76

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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.