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Finding the Fourth Proportional to 4,994,761.64, 7,489,108.52 and 1,958,489.82

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Solution

The fourth proportional to 4,994,761.64, 7,489,108.52 and 1,958,489.82 is: 2,936,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994,761.64 : 7,489,108.52 = 1,958,489.82 : x
  2. Step 2: Convert to fraction form
    4,994,761.64/7,489,108.52 = 1,958,489.82/x
  3. Step 3: Cross multiply
    4,994,761.64x = 7,489,108.52 × 1,958,489.82
  4. Step 4: Simplify right side
    4,994,761.64x = 14,667,342,797,295.27
  5. Step 5: Solve for x
    x = 14,667,342,797,295.27/4,994,761.64
  6. Step 6: Final answer
    x = 2,936,545.10

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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.