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Finding the Fourth Proportional to 14,633.84, 20,198.76 and 8,667.56

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Solution

The fourth proportional to 14,633.84, 20,198.76 and 8,667.56 is: 11,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,633.84 : 20,198.76 = 8,667.56 : x
  2. Step 2: Convert to fraction form
    14,633.84/20,198.76 = 8,667.56/x
  3. Step 3: Cross multiply
    14,633.84x = 20,198.76 × 8,667.56
  4. Step 4: Simplify right side
    14,633.84x = 175,073,964.23
  5. Step 5: Solve for x
    x = 175,073,964.23/14,633.84
  6. Step 6: Final answer
    x = 11,963.64

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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.