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Finding the Fourth Proportional to 6,787.26, 10,176.03 and 3,087.63

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Solution

The fourth proportional to 6,787.26, 10,176.03 and 3,087.63 is: 4,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.26 : 10,176.03 = 3,087.63 : x
  2. Step 2: Convert to fraction form
    6,787.26/10,176.03 = 3,087.63/x
  3. Step 3: Cross multiply
    6,787.26x = 10,176.03 × 3,087.63
  4. Step 4: Simplify right side
    6,787.26x = 31,419,815.51
  5. Step 5: Solve for x
    x = 31,419,815.51/6,787.26
  6. Step 6: Final answer
    x = 4,629.23

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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.