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Finding the Fourth Proportional to 7,321.01, 10,982.73 and 2,936.08

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Solution

The fourth proportional to 7,321.01, 10,982.73 and 2,936.08 is: 4,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.01 : 10,982.73 = 2,936.08 : x
  2. Step 2: Convert to fraction form
    7,321.01/10,982.73 = 2,936.08/x
  3. Step 3: Cross multiply
    7,321.01x = 10,982.73 × 2,936.08
  4. Step 4: Simplify right side
    7,321.01x = 32,246,118.98
  5. Step 5: Solve for x
    x = 32,246,118.98/7,321.01
  6. Step 6: Final answer
    x = 4,404.60

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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.