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Finding the Fourth Proportional to 6,610.87, 9,916.34 and 2,228.37

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Solution

The fourth proportional to 6,610.87, 9,916.34 and 2,228.37 is: 3,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.87 : 9,916.34 = 2,228.37 : x
  2. Step 2: Convert to fraction form
    6,610.87/9,916.34 = 2,228.37/x
  3. Step 3: Cross multiply
    6,610.87x = 9,916.34 × 2,228.37
  4. Step 4: Simplify right side
    6,610.87x = 22,097,234.59
  5. Step 5: Solve for x
    x = 22,097,234.59/6,610.87
  6. Step 6: Final answer
    x = 3,342.56

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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.