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Finding the Fourth Proportional to 3,806.16, 5,251.16 and 2,546.62

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Solution

The fourth proportional to 3,806.16, 5,251.16 and 2,546.62 is: 3,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.16 : 5,251.16 = 2,546.62 : x
  2. Step 2: Convert to fraction form
    3,806.16/5,251.16 = 2,546.62/x
  3. Step 3: Cross multiply
    3,806.16x = 5,251.16 × 2,546.62
  4. Step 4: Simplify right side
    3,806.16x = 13,372,709.08
  5. Step 5: Solve for x
    x = 13,372,709.08/3,806.16
  6. Step 6: Final answer
    x = 3,513.44

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Why These Related Problems?

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