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Finding the Fourth Proportional to 6,524.67, 9,787.72 and 2,081.29

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Solution

The fourth proportional to 6,524.67, 9,787.72 and 2,081.29 is: 3,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,524.67 : 9,787.72 = 2,081.29 : x
  2. Step 2: Convert to fraction form
    6,524.67/9,787.72 = 2,081.29/x
  3. Step 3: Cross multiply
    6,524.67x = 9,787.72 × 2,081.29
  4. Step 4: Simplify right side
    6,524.67x = 20,371,054.09
  5. Step 5: Solve for x
    x = 20,371,054.09/6,524.67
  6. Step 6: Final answer
    x = 3,122.16

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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.