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Finding the Fourth Proportional to 2,226.06, 3,338.25 and 764.82

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Solution

The fourth proportional to 2,226.06, 3,338.25 and 764.82 is: 1,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.06 : 3,338.25 = 764.82 : x
  2. Step 2: Convert to fraction form
    2,226.06/3,338.25 = 764.82/x
  3. Step 3: Cross multiply
    2,226.06x = 3,338.25 × 764.82
  4. Step 4: Simplify right side
    2,226.06x = 2,553,160.37
  5. Step 5: Solve for x
    x = 2,553,160.37/2,226.06
  6. Step 6: Final answer
    x = 1,146.94

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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.