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Finding the Fourth Proportional to 62,487.45, 86,233.86 and 34,194.96

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Solution

The fourth proportional to 62,487.45, 86,233.86 and 34,194.96 is: 47,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,487.45 : 86,233.86 = 34,194.96 : x
  2. Step 2: Convert to fraction form
    62,487.45/86,233.86 = 34,194.96/x
  3. Step 3: Cross multiply
    62,487.45x = 86,233.86 × 34,194.96
  4. Step 4: Simplify right side
    62,487.45x = 2,948,763,393.35
  5. Step 5: Solve for x
    x = 2,948,763,393.35/62,487.45
  6. Step 6: Final answer
    x = 47,189.69

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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.