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Finding the Fourth Proportional to 41,297,998.60, 61,946,997.90 and 12,544,078.60

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Solution

The fourth proportional to 41,297,998.60, 61,946,997.90 and 12,544,078.60 is: 18,816,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,297,998.60 : 61,946,997.90 = 12,544,078.60 : x
  2. Step 2: Convert to fraction form
    41,297,998.60/61,946,997.90 = 12,544,078.60/x
  3. Step 3: Cross multiply
    41,297,998.60x = 61,946,997.90 × 12,544,078.60
  4. Step 4: Simplify right side
    41,297,998.60x = 777,068,010,691,634.88
  5. Step 5: Solve for x
    x = 777,068,010,691,634.88/41,297,998.60
  6. Step 6: Final answer
    x = 18,816,117.90

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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.