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Finding the Fourth Proportional to 2,379.49, 3,283.23 and 1,494.78

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Solution

The fourth proportional to 2,379.49, 3,283.23 and 1,494.78 is: 2,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.49 : 3,283.23 = 1,494.78 : x
  2. Step 2: Convert to fraction form
    2,379.49/3,283.23 = 1,494.78/x
  3. Step 3: Cross multiply
    2,379.49x = 3,283.23 × 1,494.78
  4. Step 4: Simplify right side
    2,379.49x = 4,907,719.46
  5. Step 5: Solve for x
    x = 4,907,719.46/2,379.49
  6. Step 6: Final answer
    x = 2,062.51

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