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Finding the Fourth Proportional to 73,582.88, 110,375.37 and 20,992.37

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Solution

The fourth proportional to 73,582.88, 110,375.37 and 20,992.37 is: 31,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,582.88 : 110,375.37 = 20,992.37 : x
  2. Step 2: Convert to fraction form
    73,582.88/110,375.37 = 20,992.37/x
  3. Step 3: Cross multiply
    73,582.88x = 110,375.37 × 20,992.37
  4. Step 4: Simplify right side
    73,582.88x = 2,317,040,605.93
  5. Step 5: Solve for x
    x = 2,317,040,605.93/73,582.88
  6. Step 6: Final answer
    x = 31,488.85

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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.