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Finding the Fourth Proportional to 6,392,611.08, 8,821,465.92 and 3,491,960.04

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Solution

The fourth proportional to 6,392,611.08, 8,821,465.92 and 3,491,960.04 is: 4,818,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,611.08 : 8,821,465.92 = 3,491,960.04 : x
  2. Step 2: Convert to fraction form
    6,392,611.08/8,821,465.92 = 3,491,960.04/x
  3. Step 3: Cross multiply
    6,392,611.08x = 8,821,465.92 × 3,491,960.04
  4. Step 4: Simplify right side
    6,392,611.08x = 30,804,206,486,861.84
  5. Step 5: Solve for x
    x = 30,804,206,486,861.84/6,392,611.08
  6. Step 6: Final answer
    x = 4,818,720.57

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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.