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Finding the Fourth Proportional to 7,442.66, 11,163.99 and 3,535.22

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Solution

The fourth proportional to 7,442.66, 11,163.99 and 3,535.22 is: 5,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.66 : 11,163.99 = 3,535.22 : x
  2. Step 2: Convert to fraction form
    7,442.66/11,163.99 = 3,535.22/x
  3. Step 3: Cross multiply
    7,442.66x = 11,163.99 × 3,535.22
  4. Step 4: Simplify right side
    7,442.66x = 39,467,160.73
  5. Step 5: Solve for x
    x = 39,467,160.73/7,442.66
  6. Step 6: Final answer
    x = 5,302.83

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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.