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Finding the Fourth Proportional to 8,694.42, 13,043.82 and 2,538.42

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Solution

The fourth proportional to 8,694.42, 13,043.82 and 2,538.42 is: 3,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.42 : 13,043.82 = 2,538.42 : x
  2. Step 2: Convert to fraction form
    8,694.42/13,043.82 = 2,538.42/x
  3. Step 3: Cross multiply
    8,694.42x = 13,043.82 × 2,538.42
  4. Step 4: Simplify right side
    8,694.42x = 33,110,693.56
  5. Step 5: Solve for x
    x = 33,110,693.56/8,694.42
  6. Step 6: Final answer
    x = 3,808.27

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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.