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Finding the Fourth Proportional to 57,695.66, 86,546.64 and 18,249.84

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Solution

The fourth proportional to 57,695.66, 86,546.64 and 18,249.84 is: 27,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,695.66 : 86,546.64 = 18,249.84 : x
  2. Step 2: Convert to fraction form
    57,695.66/86,546.64 = 18,249.84/x
  3. Step 3: Cross multiply
    57,695.66x = 86,546.64 × 18,249.84
  4. Step 4: Simplify right side
    57,695.66x = 1,579,462,332.54
  5. Step 5: Solve for x
    x = 1,579,462,332.54/57,695.66
  6. Step 6: Final answer
    x = 27,375.76

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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.