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Finding the Fourth Proportional to 12,081.90, 16,673.86 and 6,704.61

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Solution

The fourth proportional to 12,081.90, 16,673.86 and 6,704.61 is: 9,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.90 : 16,673.86 = 6,704.61 : x
  2. Step 2: Convert to fraction form
    12,081.90/16,673.86 = 6,704.61/x
  3. Step 3: Cross multiply
    12,081.90x = 16,673.86 × 6,704.61
  4. Step 4: Simplify right side
    12,081.90x = 111,791,728.49
  5. Step 5: Solve for x
    x = 111,791,728.49/12,081.90
  6. Step 6: Final answer
    x = 9,252.83

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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.