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Finding the Fourth Proportional to 5,904.62, 8,855.10 and 2,620.47

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Solution

The fourth proportional to 5,904.62, 8,855.10 and 2,620.47 is: 3,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.62 : 8,855.10 = 2,620.47 : x
  2. Step 2: Convert to fraction form
    5,904.62/8,855.10 = 2,620.47/x
  3. Step 3: Cross multiply
    5,904.62x = 8,855.10 × 2,620.47
  4. Step 4: Simplify right side
    5,904.62x = 23,204,523.90
  5. Step 5: Solve for x
    x = 23,204,523.90/5,904.62
  6. Step 6: Final answer
    x = 3,929.90

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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.