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Finding the Fourth Proportional to 62,503.21, 86,255.85 and 34,208.97

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Solution

The fourth proportional to 62,503.21, 86,255.85 and 34,208.97 is: 47,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,503.21 : 86,255.85 = 34,208.97 : x
  2. Step 2: Convert to fraction form
    62,503.21/86,255.85 = 34,208.97/x
  3. Step 3: Cross multiply
    62,503.21x = 86,255.85 × 34,208.97
  4. Step 4: Simplify right side
    62,503.21x = 2,950,723,784.97
  5. Step 5: Solve for x
    x = 2,950,723,784.97/62,503.21
  6. Step 6: Final answer
    x = 47,209.16

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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.