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Finding the Fourth Proportional to 4,879.40, 6,733.59 and 2,755.01

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Solution

The fourth proportional to 4,879.40, 6,733.59 and 2,755.01 is: 3,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.40 : 6,733.59 = 2,755.01 : x
  2. Step 2: Convert to fraction form
    4,879.40/6,733.59 = 2,755.01/x
  3. Step 3: Cross multiply
    4,879.40x = 6,733.59 × 2,755.01
  4. Step 4: Simplify right side
    4,879.40x = 18,551,114.29
  5. Step 5: Solve for x
    x = 18,551,114.29/4,879.40
  6. Step 6: Final answer
    x = 3,801.93

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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.