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Finding the Fourth Proportional to 2,696.28, 3,720.82 and 1,517.34

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Solution

The fourth proportional to 2,696.28, 3,720.82 and 1,517.34 is: 2,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.28 : 3,720.82 = 1,517.34 : x
  2. Step 2: Convert to fraction form
    2,696.28/3,720.82 = 1,517.34/x
  3. Step 3: Cross multiply
    2,696.28x = 3,720.82 × 1,517.34
  4. Step 4: Simplify right side
    2,696.28x = 5,645,749.02
  5. Step 5: Solve for x
    x = 5,645,749.02/2,696.28
  6. Step 6: Final answer
    x = 2,093.90

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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.