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Finding the Fourth Proportional to 2,735.73, 4,104.04 and 887.31

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Solution

The fourth proportional to 2,735.73, 4,104.04 and 887.31 is: 1,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.73 : 4,104.04 = 887.31 : x
  2. Step 2: Convert to fraction form
    2,735.73/4,104.04 = 887.31/x
  3. Step 3: Cross multiply
    2,735.73x = 4,104.04 × 887.31
  4. Step 4: Simplify right side
    2,735.73x = 3,641,555.73
  5. Step 5: Solve for x
    x = 3,641,555.73/2,735.73
  6. Step 6: Final answer
    x = 1,331.11

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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.