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Finding the Fourth Proportional to 8,054.84, 12,081.35 and 3,891.34

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Solution

The fourth proportional to 8,054.84, 12,081.35 and 3,891.34 is: 5,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.84 : 12,081.35 = 3,891.34 : x
  2. Step 2: Convert to fraction form
    8,054.84/12,081.35 = 3,891.34/x
  3. Step 3: Cross multiply
    8,054.84x = 12,081.35 × 3,891.34
  4. Step 4: Simplify right side
    8,054.84x = 47,012,665.34
  5. Step 5: Solve for x
    x = 47,012,665.34/8,054.84
  6. Step 6: Final answer
    x = 5,836.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.