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Finding the Fourth Proportional to 3,508.08, 4,839.12 and 2,266.08

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Solution

The fourth proportional to 3,508.08, 4,839.12 and 2,266.08 is: 3,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.08 : 4,839.12 = 2,266.08 : x
  2. Step 2: Convert to fraction form
    3,508.08/4,839.12 = 2,266.08/x
  3. Step 3: Cross multiply
    3,508.08x = 4,839.12 × 2,266.08
  4. Step 4: Simplify right side
    3,508.08x = 10,965,833.05
  5. Step 5: Solve for x
    x = 10,965,833.05/3,508.08
  6. Step 6: Final answer
    x = 3,125.88

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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.