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Finding the Fourth Proportional to 5,600.62, 8,401.84 and 2,091.85

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Solution

The fourth proportional to 5,600.62, 8,401.84 and 2,091.85 is: 3,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.62 : 8,401.84 = 2,091.85 : x
  2. Step 2: Convert to fraction form
    5,600.62/8,401.84 = 2,091.85/x
  3. Step 3: Cross multiply
    5,600.62x = 8,401.84 × 2,091.85
  4. Step 4: Simplify right side
    5,600.62x = 17,575,389.34
  5. Step 5: Solve for x
    x = 17,575,389.34/5,600.62
  6. Step 6: Final answer
    x = 3,138.12

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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.