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Finding the Fourth Proportional to 6,881.55, 10,320.22 and 2,201.37

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Solution

The fourth proportional to 6,881.55, 10,320.22 and 2,201.37 is: 3,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.55 : 10,320.22 = 2,201.37 : x
  2. Step 2: Convert to fraction form
    6,881.55/10,320.22 = 2,201.37/x
  3. Step 3: Cross multiply
    6,881.55x = 10,320.22 × 2,201.37
  4. Step 4: Simplify right side
    6,881.55x = 22,718,622.70
  5. Step 5: Solve for x
    x = 22,718,622.70/6,881.55
  6. Step 6: Final answer
    x = 3,301.38

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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.