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Finding the Fourth Proportional to 2,626.80, 3,941.81 and 984.52

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Solution

The fourth proportional to 2,626.80, 3,941.81 and 984.52 is: 1,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.80 : 3,941.81 = 984.52 : x
  2. Step 2: Convert to fraction form
    2,626.80/3,941.81 = 984.52/x
  3. Step 3: Cross multiply
    2,626.80x = 3,941.81 × 984.52
  4. Step 4: Simplify right side
    2,626.80x = 3,880,790.78
  5. Step 5: Solve for x
    x = 3,880,790.78/2,626.80
  6. Step 6: Final answer
    x = 1,477.38

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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.