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Finding the Fourth Proportional to 4,789.62, 7,185.24 and 2,450.64

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Solution

The fourth proportional to 4,789.62, 7,185.24 and 2,450.64 is: 3,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.62 : 7,185.24 = 2,450.64 : x
  2. Step 2: Convert to fraction form
    4,789.62/7,185.24 = 2,450.64/x
  3. Step 3: Cross multiply
    4,789.62x = 7,185.24 × 2,450.64
  4. Step 4: Simplify right side
    4,789.62x = 17,608,436.55
  5. Step 5: Solve for x
    x = 17,608,436.55/4,789.62
  6. Step 6: Final answer
    x = 3,676.37

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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.