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Finding the Fourth Proportional to 35,591,874.60, 53,387,811.90 and 12,876,277.80

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Solution

The fourth proportional to 35,591,874.60, 53,387,811.90 and 12,876,277.80 is: 19,314,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,591,874.60 : 53,387,811.90 = 12,876,277.80 : x
  2. Step 2: Convert to fraction form
    35,591,874.60/53,387,811.90 = 12,876,277.80/x
  3. Step 3: Cross multiply
    35,591,874.60x = 53,387,811.90 × 12,876,277.80
  4. Step 4: Simplify right side
    35,591,874.60x = 687,436,297,158,545.88
  5. Step 5: Solve for x
    x = 687,436,297,158,545.88/35,591,874.60
  6. Step 6: Final answer
    x = 19,314,416.70

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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.