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Finding the Fourth Proportional to 62,571.72, 86,353.11 and 35,719.68

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Solution

The fourth proportional to 62,571.72, 86,353.11 and 35,719.68 is: 49,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,571.72 : 86,353.11 = 35,719.68 : x
  2. Step 2: Convert to fraction form
    62,571.72/86,353.11 = 35,719.68/x
  3. Step 3: Cross multiply
    62,571.72x = 86,353.11 × 35,719.68
  4. Step 4: Simplify right side
    62,571.72x = 3,084,505,456.20
  5. Step 5: Solve for x
    x = 3,084,505,456.20/62,571.72
  6. Step 6: Final answer
    x = 49,295.52

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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.