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Finding the Fourth Proportional to 2,489,793.15, 3,728,784.83 and 2,489,793.15

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Solution

The fourth proportional to 2,489,793.15, 3,728,784.83 and 2,489,793.15 is: 3,728,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,793.15 : 3,728,784.83 = 2,489,793.15 : x
  2. Step 2: Convert to fraction form
    2,489,793.15/3,728,784.83 = 2,489,793.15/x
  3. Step 3: Cross multiply
    2,489,793.15x = 3,728,784.83 × 2,489,793.15
  4. Step 4: Simplify right side
    2,489,793.15x = 9,283,902,915,108.95
  5. Step 5: Solve for x
    x = 9,283,902,915,108.95/2,489,793.15
  6. Step 6: Final answer
    x = 3,728,784.83

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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.