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Finding the Fourth Proportional to 2,796.25, 3,858.83 and 1,554.25

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Solution

The fourth proportional to 2,796.25, 3,858.83 and 1,554.25 is: 2,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.25 : 3,858.83 = 1,554.25 : x
  2. Step 2: Convert to fraction form
    2,796.25/3,858.83 = 1,554.25/x
  3. Step 3: Cross multiply
    2,796.25x = 3,858.83 × 1,554.25
  4. Step 4: Simplify right side
    2,796.25x = 5,997,578.76
  5. Step 5: Solve for x
    x = 5,997,578.76/2,796.25
  6. Step 6: Final answer
    x = 2,144.87

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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.