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Finding the Fourth Proportional to 8,684.51, 13,027.98 and 2,839.96

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Solution

The fourth proportional to 8,684.51, 13,027.98 and 2,839.96 is: 4,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.51 : 13,027.98 = 2,839.96 : x
  2. Step 2: Convert to fraction form
    8,684.51/13,027.98 = 2,839.96/x
  3. Step 3: Cross multiply
    8,684.51x = 13,027.98 × 2,839.96
  4. Step 4: Simplify right side
    8,684.51x = 36,998,876.94
  5. Step 5: Solve for x
    x = 36,998,876.94/8,684.51
  6. Step 6: Final answer
    x = 4,260.33

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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.