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Finding the Fourth Proportional to 62,170.76, 85,795.68 and 33,876.48

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Solution

The fourth proportional to 62,170.76, 85,795.68 and 33,876.48 is: 46,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,170.76 : 85,795.68 = 33,876.48 : x
  2. Step 2: Convert to fraction form
    62,170.76/85,795.68 = 33,876.48/x
  3. Step 3: Cross multiply
    62,170.76x = 85,795.68 × 33,876.48
  4. Step 4: Simplify right side
    62,170.76x = 2,906,455,637.61
  5. Step 5: Solve for x
    x = 2,906,455,637.61/62,170.76
  6. Step 6: Final answer
    x = 46,749.56

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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.