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Finding the Fourth Proportional to 8,250,736.80, 12,377,854.80 and 2,492,997.60

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Solution

The fourth proportional to 8,250,736.80, 12,377,854.80 and 2,492,997.60 is: 3,740,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250,736.80 : 12,377,854.80 = 2,492,997.60 : x
  2. Step 2: Convert to fraction form
    8,250,736.80/12,377,854.80 = 2,492,997.60/x
  3. Step 3: Cross multiply
    8,250,736.80x = 12,377,854.80 × 2,492,997.60
  4. Step 4: Simplify right side
    8,250,736.80x = 30,857,962,309,548.48
  5. Step 5: Solve for x
    x = 30,857,962,309,548.48/8,250,736.80
  6. Step 6: Final answer
    x = 3,740,025.05

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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.