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Finding the Fourth Proportional to 62,858.73, 86,745.04 and 34,564.41

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Solution

The fourth proportional to 62,858.73, 86,745.04 and 34,564.41 is: 47,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,858.73 : 86,745.04 = 34,564.41 : x
  2. Step 2: Convert to fraction form
    62,858.73/86,745.04 = 34,564.41/x
  3. Step 3: Cross multiply
    62,858.73x = 86,745.04 × 34,564.41
  4. Step 4: Simplify right side
    62,858.73x = 2,998,291,431.40
  5. Step 5: Solve for x
    x = 2,998,291,431.40/62,858.73
  6. Step 6: Final answer
    x = 47,698.89

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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.