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Finding the Fourth Proportional to 13,862.34, 20,773.86 and 10,727.76

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Solution

The fourth proportional to 13,862.34, 20,773.86 and 10,727.76 is: 16,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.34 : 20,773.86 = 10,727.76 : x
  2. Step 2: Convert to fraction form
    13,862.34/20,773.86 = 10,727.76/x
  3. Step 3: Cross multiply
    13,862.34x = 20,773.86 × 10,727.76
  4. Step 4: Simplify right side
    13,862.34x = 222,856,936.06
  5. Step 5: Solve for x
    x = 222,856,936.06/13,862.34
  6. Step 6: Final answer
    x = 16,076.43

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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.