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Finding the Fourth Proportional to 9,105.76, 13,654.82 and 3,843.14

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Solution

The fourth proportional to 9,105.76, 13,654.82 and 3,843.14 is: 5,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.76 : 13,654.82 = 3,843.14 : x
  2. Step 2: Convert to fraction form
    9,105.76/13,654.82 = 3,843.14/x
  3. Step 3: Cross multiply
    9,105.76x = 13,654.82 × 3,843.14
  4. Step 4: Simplify right side
    9,105.76x = 52,477,384.93
  5. Step 5: Solve for x
    x = 52,477,384.93/9,105.76
  6. Step 6: Final answer
    x = 5,763.10

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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.