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Finding the Fourth Proportional to 4,994,737.73, 7,489,072.67 and 1,958,465.90

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Solution

The fourth proportional to 4,994,737.73, 7,489,072.67 and 1,958,465.90 is: 2,936,509.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994,737.73 : 7,489,072.67 = 1,958,465.90 : x
  2. Step 2: Convert to fraction form
    4,994,737.73/7,489,072.67 = 1,958,465.90/x
  3. Step 3: Cross multiply
    4,994,737.73x = 7,489,072.67 × 1,958,465.90
  4. Step 4: Simplify right side
    4,994,737.73x = 14,667,093,399,579.26
  5. Step 5: Solve for x
    x = 14,667,093,399,579.26/4,994,737.73
  6. Step 6: Final answer
    x = 2,936,509.22

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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.