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Finding the Fourth Proportional to 5,788,662.15, 7,987,297.17 and 3,340,379.85

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Solution

The fourth proportional to 5,788,662.15, 7,987,297.17 and 3,340,379.85 is: 4,609,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788,662.15 : 7,987,297.17 = 3,340,379.85 : x
  2. Step 2: Convert to fraction form
    5,788,662.15/7,987,297.17 = 3,340,379.85/x
  3. Step 3: Cross multiply
    5,788,662.15x = 7,987,297.17 × 3,340,379.85
  4. Step 4: Simplify right side
    5,788,662.15x = 26,680,606,522,630.02
  5. Step 5: Solve for x
    x = 26,680,606,522,630.02/5,788,662.15
  6. Step 6: Final answer
    x = 4,609,114.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.