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Finding the Fourth Proportional to 8,940.78, 13,410.90 and 2,367

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Solution

The fourth proportional to 8,940.78, 13,410.90 and 2,367 is: 3,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.78 : 13,410.90 = 2,367 : x
  2. Step 2: Convert to fraction form
    8,940.78/13,410.90 = 2,367/x
  3. Step 3: Cross multiply
    8,940.78x = 13,410.90 × 2,367
  4. Step 4: Simplify right side
    8,940.78x = 31,743,600.30
  5. Step 5: Solve for x
    x = 31,743,600.30/8,940.78
  6. Step 6: Final answer
    x = 3,550.43

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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.