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Finding the Fourth Proportional to 5,987,998.80, 8,987,635.80 and 3,150,147.60

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Solution

The fourth proportional to 5,987,998.80, 8,987,635.80 and 3,150,147.60 is: 4,728,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987,998.80 : 8,987,635.80 = 3,150,147.60 : x
  2. Step 2: Convert to fraction form
    5,987,998.80/8,987,635.80 = 3,150,147.60/x
  3. Step 3: Cross multiply
    5,987,998.80x = 8,987,635.80 × 3,150,147.60
  4. Step 4: Simplify right side
    5,987,998.80x = 28,312,379,345,044.08
  5. Step 5: Solve for x
    x = 28,312,379,345,044.08/5,987,998.80
  6. Step 6: Final answer
    x = 4,728,187.21

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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.