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Finding the Fourth Proportional to 6,542.36, 9,813.44 and 2,644

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Solution

The fourth proportional to 6,542.36, 9,813.44 and 2,644 is: 3,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.36 : 9,813.44 = 2,644 : x
  2. Step 2: Convert to fraction form
    6,542.36/9,813.44 = 2,644/x
  3. Step 3: Cross multiply
    6,542.36x = 9,813.44 × 2,644
  4. Step 4: Simplify right side
    6,542.36x = 25,946,735.36
  5. Step 5: Solve for x
    x = 25,946,735.36/6,542.36
  6. Step 6: Final answer
    x = 3,965.96

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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.