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Finding the Fourth Proportional to 8,368,914.80, 12,553,372.20 and 2,384,505.20

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Solution

The fourth proportional to 8,368,914.80, 12,553,372.20 and 2,384,505.20 is: 3,576,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368,914.80 : 12,553,372.20 = 2,384,505.20 : x
  2. Step 2: Convert to fraction form
    8,368,914.80/12,553,372.20 = 2,384,505.20/x
  3. Step 3: Cross multiply
    8,368,914.80x = 12,553,372.20 × 2,384,505.20
  4. Step 4: Simplify right side
    8,368,914.80x = 29,933,581,288,435.44
  5. Step 5: Solve for x
    x = 29,933,581,288,435.44/8,368,914.80
  6. Step 6: Final answer
    x = 3,576,757.80

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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.