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Finding the Fourth Proportional to 3,617, 5,414.94 and 2,226.12

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Solution

The fourth proportional to 3,617, 5,414.94 and 2,226.12 is: 3,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617 : 5,414.94 = 2,226.12 : x
  2. Step 2: Convert to fraction form
    3,617/5,414.94 = 2,226.12/x
  3. Step 3: Cross multiply
    3,617x = 5,414.94 × 2,226.12
  4. Step 4: Simplify right side
    3,617x = 12,054,306.23
  5. Step 5: Solve for x
    x = 12,054,306.23/3,617
  6. Step 6: Final answer
    x = 3,332.68

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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.