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Finding the Fourth Proportional to 12,084.35, 16,668.73 and 8,732.09

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Solution

The fourth proportional to 12,084.35, 16,668.73 and 8,732.09 is: 12,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.35 : 16,668.73 = 8,732.09 : x
  2. Step 2: Convert to fraction form
    12,084.35/16,668.73 = 8,732.09/x
  3. Step 3: Cross multiply
    12,084.35x = 16,668.73 × 8,732.09
  4. Step 4: Simplify right side
    12,084.35x = 145,552,723.54
  5. Step 5: Solve for x
    x = 145,552,723.54/12,084.35
  6. Step 6: Final answer
    x = 12,044.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.