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Finding the Fourth Proportional to 3,308.73, 4,951.26 and 2,865.53

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Solution

The fourth proportional to 3,308.73, 4,951.26 and 2,865.53 is: 4,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.73 : 4,951.26 = 2,865.53 : x
  2. Step 2: Convert to fraction form
    3,308.73/4,951.26 = 2,865.53/x
  3. Step 3: Cross multiply
    3,308.73x = 4,951.26 × 2,865.53
  4. Step 4: Simplify right side
    3,308.73x = 14,187,984.36
  5. Step 5: Solve for x
    x = 14,187,984.36/3,308.73
  6. Step 6: Final answer
    x = 4,288.04

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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.