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Finding the Fourth Proportional to 6,171,978.87, 8,517,469.01 and 3,522,773.57

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Solution

The fourth proportional to 6,171,978.87, 8,517,469.01 and 3,522,773.57 is: 4,861,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171,978.87 : 8,517,469.01 = 3,522,773.57 : x
  2. Step 2: Convert to fraction form
    6,171,978.87/8,517,469.01 = 3,522,773.57/x
  3. Step 3: Cross multiply
    6,171,978.87x = 8,517,469.01 × 3,522,773.57
  4. Step 4: Simplify right side
    6,171,978.87x = 30,005,114,651,520.86
  5. Step 5: Solve for x
    x = 30,005,114,651,520.86/6,171,978.87
  6. Step 6: Final answer
    x = 4,861,506.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.