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Finding the Fourth Proportional to 5,582.21, 8,373.11 and 2,251.89

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Solution

The fourth proportional to 5,582.21, 8,373.11 and 2,251.89 is: 3,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.21 : 8,373.11 = 2,251.89 : x
  2. Step 2: Convert to fraction form
    5,582.21/8,373.11 = 2,251.89/x
  3. Step 3: Cross multiply
    5,582.21x = 8,373.11 × 2,251.89
  4. Step 4: Simplify right side
    5,582.21x = 18,855,311.42
  5. Step 5: Solve for x
    x = 18,855,311.42/5,582.21
  6. Step 6: Final answer
    x = 3,377.75

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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.