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Finding the Fourth Proportional to 2,388.25, 3,295.83 and 1,340.29

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Solution

The fourth proportional to 2,388.25, 3,295.83 and 1,340.29 is: 1,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.25 : 3,295.83 = 1,340.29 : x
  2. Step 2: Convert to fraction form
    2,388.25/3,295.83 = 1,340.29/x
  3. Step 3: Cross multiply
    2,388.25x = 3,295.83 × 1,340.29
  4. Step 4: Simplify right side
    2,388.25x = 4,417,367.99
  5. Step 5: Solve for x
    x = 4,417,367.99/2,388.25
  6. Step 6: Final answer
    x = 1,849.63

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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.