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Finding the Fourth Proportional to 13,673.01, 20,511.22 and 5,351.95

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Solution

The fourth proportional to 13,673.01, 20,511.22 and 5,351.95 is: 8,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.01 : 20,511.22 = 5,351.95 : x
  2. Step 2: Convert to fraction form
    13,673.01/20,511.22 = 5,351.95/x
  3. Step 3: Cross multiply
    13,673.01x = 20,511.22 × 5,351.95
  4. Step 4: Simplify right side
    13,673.01x = 109,775,023.88
  5. Step 5: Solve for x
    x = 109,775,023.88/13,673.01
  6. Step 6: Final answer
    x = 8,028.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.