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Finding the Fourth Proportional to 3,683.87, 5,083.94 and 3,551.55

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Solution

The fourth proportional to 3,683.87, 5,083.94 and 3,551.55 is: 4,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.87 : 5,083.94 = 3,551.55 : x
  2. Step 2: Convert to fraction form
    3,683.87/5,083.94 = 3,551.55/x
  3. Step 3: Cross multiply
    3,683.87x = 5,083.94 × 3,551.55
  4. Step 4: Simplify right side
    3,683.87x = 18,055,849.35
  5. Step 5: Solve for x
    x = 18,055,849.35/3,683.87
  6. Step 6: Final answer
    x = 4,901.33

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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.