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Finding the Fourth Proportional to 18,682.99, 25,767.95 and 11,969.24

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Solution

The fourth proportional to 18,682.99, 25,767.95 and 11,969.24 is: 16,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.99 : 25,767.95 = 11,969.24 : x
  2. Step 2: Convert to fraction form
    18,682.99/25,767.95 = 11,969.24/x
  3. Step 3: Cross multiply
    18,682.99x = 25,767.95 × 11,969.24
  4. Step 4: Simplify right side
    18,682.99x = 308,422,718.01
  5. Step 5: Solve for x
    x = 308,422,718.01/18,682.99
  6. Step 6: Final answer
    x = 16,508.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.