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Finding the Fourth Proportional to 62,823.92, 94,249.78 and 20,702.30

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Solution

The fourth proportional to 62,823.92, 94,249.78 and 20,702.30 is: 31,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,823.92 : 94,249.78 = 20,702.30 : x
  2. Step 2: Convert to fraction form
    62,823.92/94,249.78 = 20,702.30/x
  3. Step 3: Cross multiply
    62,823.92x = 94,249.78 × 20,702.30
  4. Step 4: Simplify right side
    62,823.92x = 1,951,187,220.49
  5. Step 5: Solve for x
    x = 1,951,187,220.49/62,823.92
  6. Step 6: Final answer
    x = 31,058.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.