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Finding the Fourth Proportional to 6,373,509.87, 8,795,168.55 and 3,620,188.73

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Solution

The fourth proportional to 6,373,509.87, 8,795,168.55 and 3,620,188.73 is: 4,995,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,373,509.87 : 8,795,168.55 = 3,620,188.73 : x
  2. Step 2: Convert to fraction form
    6,373,509.87/8,795,168.55 = 3,620,188.73/x
  3. Step 3: Cross multiply
    6,373,509.87x = 8,795,168.55 × 3,620,188.73
  4. Step 4: Simplify right side
    6,373,509.87x = 31,840,170,019,184.60
  5. Step 5: Solve for x
    x = 31,840,170,019,184.60/6,373,509.87
  6. Step 6: Final answer
    x = 4,995,704.20

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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.