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Finding the Fourth Proportional to 4,879.89, 6,733.67 and 2,755.26

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Solution

The fourth proportional to 4,879.89, 6,733.67 and 2,755.26 is: 3,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.89 : 6,733.67 = 2,755.26 : x
  2. Step 2: Convert to fraction form
    4,879.89/6,733.67 = 2,755.26/x
  3. Step 3: Cross multiply
    4,879.89x = 6,733.67 × 2,755.26
  4. Step 4: Simplify right side
    4,879.89x = 18,552,997.83
  5. Step 5: Solve for x
    x = 18,552,997.83/4,879.89
  6. Step 6: Final answer
    x = 3,801.93

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1.5x scale

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.