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Finding the Fourth Proportional to 6,382,774.78, 8,807,922.13 and 3,481,992.66

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Solution

The fourth proportional to 6,382,774.78, 8,807,922.13 and 3,481,992.66 is: 4,804,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382,774.78 : 8,807,922.13 = 3,481,992.66 : x
  2. Step 2: Convert to fraction form
    6,382,774.78/8,807,922.13 = 3,481,992.66/x
  3. Step 3: Cross multiply
    6,382,774.78x = 8,807,922.13 × 3,481,992.66
  4. Step 4: Simplify right side
    6,382,774.78x = 30,669,120,206,511.57
  5. Step 5: Solve for x
    x = 30,669,120,206,511.57/6,382,774.78
  6. Step 6: Final answer
    x = 4,804,982.36

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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.