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Finding the Fourth Proportional to 22,396.73, 33,599.94 and 6,813.95

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Solution

The fourth proportional to 22,396.73, 33,599.94 and 6,813.95 is: 10,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,396.73 : 33,599.94 = 6,813.95 : x
  2. Step 2: Convert to fraction form
    22,396.73/33,599.94 = 6,813.95/x
  3. Step 3: Cross multiply
    22,396.73x = 33,599.94 × 6,813.95
  4. Step 4: Simplify right side
    22,396.73x = 228,948,143.16
  5. Step 5: Solve for x
    x = 228,948,143.16/22,396.73
  6. Step 6: Final answer
    x = 10,222.39

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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.