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Finding the Fourth Proportional to 8,101.88, 12,175.62 and 4,815.56

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Solution

The fourth proportional to 8,101.88, 12,175.62 and 4,815.56 is: 7,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.88 : 12,175.62 = 4,815.56 : x
  2. Step 2: Convert to fraction form
    8,101.88/12,175.62 = 4,815.56/x
  3. Step 3: Cross multiply
    8,101.88x = 12,175.62 × 4,815.56
  4. Step 4: Simplify right side
    8,101.88x = 58,632,428.65
  5. Step 5: Solve for x
    x = 58,632,428.65/8,101.88
  6. Step 6: Final answer
    x = 7,236.89

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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.