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Finding the Fourth Proportional to 52,992.75, 73,135.09 and 30,327.22

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Solution

The fourth proportional to 52,992.75, 73,135.09 and 30,327.22 is: 41,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992.75 : 73,135.09 = 30,327.22 : x
  2. Step 2: Convert to fraction form
    52,992.75/73,135.09 = 30,327.22/x
  3. Step 3: Cross multiply
    52,992.75x = 73,135.09 × 30,327.22
  4. Step 4: Simplify right side
    52,992.75x = 2,217,983,964.15
  5. Step 5: Solve for x
    x = 2,217,983,964.15/52,992.75
  6. Step 6: Final answer
    x = 41,854.48

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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.