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Finding the Fourth Proportional to 2,733.36, 3,772.20 and 2,069.16

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Solution

The fourth proportional to 2,733.36, 3,772.20 and 2,069.16 is: 2,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.36 : 3,772.20 = 2,069.16 : x
  2. Step 2: Convert to fraction form
    2,733.36/3,772.20 = 2,069.16/x
  3. Step 3: Cross multiply
    2,733.36x = 3,772.20 × 2,069.16
  4. Step 4: Simplify right side
    2,733.36x = 7,805,285.35
  5. Step 5: Solve for x
    x = 7,805,285.35/2,733.36
  6. Step 6: Final answer
    x = 2,855.56

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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.