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Finding the Fourth Proportional to 14,481.99, 21,689.27 and 14,082.96

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Solution

The fourth proportional to 14,481.99, 21,689.27 and 14,082.96 is: 21,091.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.99 : 21,689.27 = 14,082.96 : x
  2. Step 2: Convert to fraction form
    14,481.99/21,689.27 = 14,082.96/x
  3. Step 3: Cross multiply
    14,481.99x = 21,689.27 × 14,082.96
  4. Step 4: Simplify right side
    14,481.99x = 305,449,185.57
  5. Step 5: Solve for x
    x = 305,449,185.57/14,481.99
  6. Step 6: Final answer
    x = 21,091.66

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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.