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Finding the Fourth Proportional to 7,893.52, 11,837.18 and 2,960.47

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Solution

The fourth proportional to 7,893.52, 11,837.18 and 2,960.47 is: 4,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.52 : 11,837.18 = 2,960.47 : x
  2. Step 2: Convert to fraction form
    7,893.52/11,837.18 = 2,960.47/x
  3. Step 3: Cross multiply
    7,893.52x = 11,837.18 × 2,960.47
  4. Step 4: Simplify right side
    7,893.52x = 35,043,616.27
  5. Step 5: Solve for x
    x = 35,043,616.27/7,893.52
  6. Step 6: Final answer
    x = 4,439.54

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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.