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Finding the Fourth Proportional to 8,805.73, 13,208.62 and 2,231.92

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Solution

The fourth proportional to 8,805.73, 13,208.62 and 2,231.92 is: 3,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.73 : 13,208.62 = 2,231.92 : x
  2. Step 2: Convert to fraction form
    8,805.73/13,208.62 = 2,231.92/x
  3. Step 3: Cross multiply
    8,805.73x = 13,208.62 × 2,231.92
  4. Step 4: Simplify right side
    8,805.73x = 29,480,583.15
  5. Step 5: Solve for x
    x = 29,480,583.15/8,805.73
  6. Step 6: Final answer
    x = 3,347.89

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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.