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Finding the Fourth Proportional to 6,253,782.66, 9,380,575.44 and 1,993,922.19

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Solution

The fourth proportional to 6,253,782.66, 9,380,575.44 and 1,993,922.19 is: 2,990,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253,782.66 : 9,380,575.44 = 1,993,922.19 : x
  2. Step 2: Convert to fraction form
    6,253,782.66/9,380,575.44 = 1,993,922.19/x
  3. Step 3: Cross multiply
    6,253,782.66x = 9,380,575.44 × 1,993,922.19
  4. Step 4: Simplify right side
    6,253,782.66x = 18,704,137,524,785.01
  5. Step 5: Solve for x
    x = 18,704,137,524,785.01/6,253,782.66
  6. Step 6: Final answer
    x = 2,990,851.86

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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.