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Finding the Fourth Proportional to 8,843.45, 13,269.83 and 3,916.49

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Solution

The fourth proportional to 8,843.45, 13,269.83 and 3,916.49 is: 5,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.45 : 13,269.83 = 3,916.49 : x
  2. Step 2: Convert to fraction form
    8,843.45/13,269.83 = 3,916.49/x
  3. Step 3: Cross multiply
    8,843.45x = 13,269.83 × 3,916.49
  4. Step 4: Simplify right side
    8,843.45x = 51,971,070.57
  5. Step 5: Solve for x
    x = 51,971,070.57/8,843.45
  6. Step 6: Final answer
    x = 5,876.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.