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Finding the Fourth Proportional to 5,993,826.80, 8,990,740.20 and 4,198,737.20

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Solution

The fourth proportional to 5,993,826.80, 8,990,740.20 and 4,198,737.20 is: 6,298,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,993,826.80 : 8,990,740.20 = 4,198,737.20 : x
  2. Step 2: Convert to fraction form
    5,993,826.80/8,990,740.20 = 4,198,737.20/x
  3. Step 3: Cross multiply
    5,993,826.80x = 8,990,740.20 × 4,198,737.20
  4. Step 4: Simplify right side
    5,993,826.80x = 37,749,755,333,275.44
  5. Step 5: Solve for x
    x = 37,749,755,333,275.44/5,993,826.80
  6. Step 6: Final answer
    x = 6,298,105.80

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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.