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Finding the Fourth Proportional to 5,679,395.73, 7,837,575.80 and 3,101,021.55

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Solution

The fourth proportional to 5,679,395.73, 7,837,575.80 and 3,101,021.55 is: 4,279,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,395.73 : 7,837,575.80 = 3,101,021.55 : x
  2. Step 2: Convert to fraction form
    5,679,395.73/7,837,575.80 = 3,101,021.55/x
  3. Step 3: Cross multiply
    5,679,395.73x = 7,837,575.80 × 3,101,021.55
  4. Step 4: Simplify right side
    5,679,395.73x = 24,304,491,440,053.38
  5. Step 5: Solve for x
    x = 24,304,491,440,053.38/5,679,395.73
  6. Step 6: Final answer
    x = 4,279,415.03

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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.