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Finding the Fourth Proportional to 11,876.22, 17,816.49 and 4,083.12

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Solution

The fourth proportional to 11,876.22, 17,816.49 and 4,083.12 is: 6,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.22 : 17,816.49 = 4,083.12 : x
  2. Step 2: Convert to fraction form
    11,876.22/17,816.49 = 4,083.12/x
  3. Step 3: Cross multiply
    11,876.22x = 17,816.49 × 4,083.12
  4. Step 4: Simplify right side
    11,876.22x = 72,746,866.65
  5. Step 5: Solve for x
    x = 72,746,866.65/11,876.22
  6. Step 6: Final answer
    x = 6,125.42

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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.