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Finding the Fourth Proportional to 11,855.92, 17,790.12 and 4,841.12

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Solution

The fourth proportional to 11,855.92, 17,790.12 and 4,841.12 is: 7,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.92 : 17,790.12 = 4,841.12 : x
  2. Step 2: Convert to fraction form
    11,855.92/17,790.12 = 4,841.12/x
  3. Step 3: Cross multiply
    11,855.92x = 17,790.12 × 4,841.12
  4. Step 4: Simplify right side
    11,855.92x = 86,124,105.73
  5. Step 5: Solve for x
    x = 86,124,105.73/11,855.92
  6. Step 6: Final answer
    x = 7,264.23

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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.