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Finding the Fourth Proportional to 5,782,997.88, 7,980,335.76 and 3,204,918.48

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Solution

The fourth proportional to 5,782,997.88, 7,980,335.76 and 3,204,918.48 is: 4,422,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782,997.88 : 7,980,335.76 = 3,204,918.48 : x
  2. Step 2: Convert to fraction form
    5,782,997.88/7,980,335.76 = 3,204,918.48/x
  3. Step 3: Cross multiply
    5,782,997.88x = 7,980,335.76 × 3,204,918.48
  4. Step 4: Simplify right side
    5,782,997.88x = 25,576,325,553,828.84
  5. Step 5: Solve for x
    x = 25,576,325,553,828.84/5,782,997.88
  6. Step 6: Final answer
    x = 4,422,675.93

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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.