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Finding the Fourth Proportional to 8,563.76, 12,837.85 and 3,295.41

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Solution

The fourth proportional to 8,563.76, 12,837.85 and 3,295.41 is: 4,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.76 : 12,837.85 = 3,295.41 : x
  2. Step 2: Convert to fraction form
    8,563.76/12,837.85 = 3,295.41/x
  3. Step 3: Cross multiply
    8,563.76x = 12,837.85 × 3,295.41
  4. Step 4: Simplify right side
    8,563.76x = 42,305,979.27
  5. Step 5: Solve for x
    x = 42,305,979.27/8,563.76
  6. Step 6: Final answer
    x = 4,940.12

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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.