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Finding the Fourth Proportional to 5,874.73, 8,812.08 and 3,904.20

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Solution

The fourth proportional to 5,874.73, 8,812.08 and 3,904.20 is: 5,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.73 : 8,812.08 = 3,904.20 : x
  2. Step 2: Convert to fraction form
    5,874.73/8,812.08 = 3,904.20/x
  3. Step 3: Cross multiply
    5,874.73x = 8,812.08 × 3,904.20
  4. Step 4: Simplify right side
    5,874.73x = 34,404,122.74
  5. Step 5: Solve for x
    x = 34,404,122.74/5,874.73
  6. Step 6: Final answer
    x = 5,856.29

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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.