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Finding the Fourth Proportional to 8,480.43, 11,702.39 and 4,895.37

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Solution

The fourth proportional to 8,480.43, 11,702.39 and 4,895.37 is: 6,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.43 : 11,702.39 = 4,895.37 : x
  2. Step 2: Convert to fraction form
    8,480.43/11,702.39 = 4,895.37/x
  3. Step 3: Cross multiply
    8,480.43x = 11,702.39 × 4,895.37
  4. Step 4: Simplify right side
    8,480.43x = 57,287,504.46
  5. Step 5: Solve for x
    x = 57,287,504.46/8,480.43
  6. Step 6: Final answer
    x = 6,755.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.