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Finding the Fourth Proportional to 8,940.36, 13,414.98 and 4,013.48

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Solution

The fourth proportional to 8,940.36, 13,414.98 and 4,013.48 is: 6,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.36 : 13,414.98 = 4,013.48 : x
  2. Step 2: Convert to fraction form
    8,940.36/13,414.98 = 4,013.48/x
  3. Step 3: Cross multiply
    8,940.36x = 13,414.98 × 4,013.48
  4. Step 4: Simplify right side
    8,940.36x = 53,840,753.93
  5. Step 5: Solve for x
    x = 53,840,753.93/8,940.36
  6. Step 6: Final answer
    x = 6,022.21

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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.