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Finding the Fourth Proportional to 2,737.28, 4,104.86 and 887.95

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Solution

The fourth proportional to 2,737.28, 4,104.86 and 887.95 is: 1,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.28 : 4,104.86 = 887.95 : x
  2. Step 2: Convert to fraction form
    2,737.28/4,104.86 = 887.95/x
  3. Step 3: Cross multiply
    2,737.28x = 4,104.86 × 887.95
  4. Step 4: Simplify right side
    2,737.28x = 3,644,910.44
  5. Step 5: Solve for x
    x = 3,644,910.44/2,737.28
  6. Step 6: Final answer
    x = 1,331.58

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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.