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Finding the Fourth Proportional to 3,893.33, 5,842.81 and 1,551.98

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Solution

The fourth proportional to 3,893.33, 5,842.81 and 1,551.98 is: 2,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.33 : 5,842.81 = 1,551.98 : x
  2. Step 2: Convert to fraction form
    3,893.33/5,842.81 = 1,551.98/x
  3. Step 3: Cross multiply
    3,893.33x = 5,842.81 × 1,551.98
  4. Step 4: Simplify right side
    3,893.33x = 9,067,940.81
  5. Step 5: Solve for x
    x = 9,067,940.81/3,893.33
  6. Step 6: Final answer
    x = 2,329.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.