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Finding the Fourth Proportional to 5,865.35, 8,789.20 and 2,351.88

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Solution

The fourth proportional to 5,865.35, 8,789.20 and 2,351.88 is: 3,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.35 : 8,789.20 = 2,351.88 : x
  2. Step 2: Convert to fraction form
    5,865.35/8,789.20 = 2,351.88/x
  3. Step 3: Cross multiply
    5,865.35x = 8,789.20 × 2,351.88
  4. Step 4: Simplify right side
    5,865.35x = 20,671,137.82
  5. Step 5: Solve for x
    x = 20,671,137.82/5,865.35
  6. Step 6: Final answer
    x = 3,524.28

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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.