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Finding the Fourth Proportional to 62,456.50, 86,231.60 and 36,971.02

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Solution

The fourth proportional to 62,456.50, 86,231.60 and 36,971.02 is: 51,044.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,456.50 : 86,231.60 = 36,971.02 : x
  2. Step 2: Convert to fraction form
    62,456.50/86,231.60 = 36,971.02/x
  3. Step 3: Cross multiply
    62,456.50x = 86,231.60 × 36,971.02
  4. Step 4: Simplify right side
    62,456.50x = 3,188,070,208.23
  5. Step 5: Solve for x
    x = 3,188,070,208.23/62,456.50
  6. Step 6: Final answer
    x = 51,044.65

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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.