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Finding the Fourth Proportional to 1,893.84, 2,838.93 and 1,163.62

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Solution

The fourth proportional to 1,893.84, 2,838.93 and 1,163.62 is: 1,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.84 : 2,838.93 = 1,163.62 : x
  2. Step 2: Convert to fraction form
    1,893.84/2,838.93 = 1,163.62/x
  3. Step 3: Cross multiply
    1,893.84x = 2,838.93 × 1,163.62
  4. Step 4: Simplify right side
    1,893.84x = 3,303,435.73
  5. Step 5: Solve for x
    x = 3,303,435.73/1,893.84
  6. Step 6: Final answer
    x = 1,744.31

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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.