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Finding the Fourth Proportional to 62,704.31, 86,531.90 and 35,847.41

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Solution

The fourth proportional to 62,704.31, 86,531.90 and 35,847.41 is: 49,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,704.31 : 86,531.90 = 35,847.41 : x
  2. Step 2: Convert to fraction form
    62,704.31/86,531.90 = 35,847.41/x
  3. Step 3: Cross multiply
    62,704.31x = 86,531.90 × 35,847.41
  4. Step 4: Simplify right side
    62,704.31x = 3,101,943,885.48
  5. Step 5: Solve for x
    x = 3,101,943,885.48/62,704.31
  6. Step 6: Final answer
    x = 49,469.39

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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.