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Finding the Fourth Proportional to 5,859.63, 8,789.00 and 2,161.17

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Solution

The fourth proportional to 5,859.63, 8,789.00 and 2,161.17 is: 3,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.63 : 8,789.00 = 2,161.17 : x
  2. Step 2: Convert to fraction form
    5,859.63/8,789.00 = 2,161.17/x
  3. Step 3: Cross multiply
    5,859.63x = 8,789.00 × 2,161.17
  4. Step 4: Simplify right side
    5,859.63x = 18,994,512.32
  5. Step 5: Solve for x
    x = 18,994,512.32/5,859.63
  6. Step 6: Final answer
    x = 3,241.59

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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.