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Finding the Fourth Proportional to 57,356.82, 86,001.74 and 22,255.48

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Solution

The fourth proportional to 57,356.82, 86,001.74 and 22,255.48 is: 33,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,356.82 : 86,001.74 = 22,255.48 : x
  2. Step 2: Convert to fraction form
    57,356.82/86,001.74 = 22,255.48/x
  3. Step 3: Cross multiply
    57,356.82x = 86,001.74 × 22,255.48
  4. Step 4: Simplify right side
    57,356.82x = 1,914,010,004.54
  5. Step 5: Solve for x
    x = 1,914,010,004.54/57,356.82
  6. Step 6: Final answer
    x = 33,370.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.