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Finding the Fourth Proportional to 6,893.71, 10,340.56 and 2,734.36

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Solution

The fourth proportional to 6,893.71, 10,340.56 and 2,734.36 is: 4,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.71 : 10,340.56 = 2,734.36 : x
  2. Step 2: Convert to fraction form
    6,893.71/10,340.56 = 2,734.36/x
  3. Step 3: Cross multiply
    6,893.71x = 10,340.56 × 2,734.36
  4. Step 4: Simplify right side
    6,893.71x = 28,274,791.21
  5. Step 5: Solve for x
    x = 28,274,791.21/6,893.71
  6. Step 6: Final answer
    x = 4,101.54

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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.