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Finding the Fourth Proportional to 57,618.70, 86,393.49 and 22,516.54

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Solution

The fourth proportional to 57,618.70, 86,393.49 and 22,516.54 is: 33,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,618.70 : 86,393.49 = 22,516.54 : x
  2. Step 2: Convert to fraction form
    57,618.70/86,393.49 = 22,516.54/x
  3. Step 3: Cross multiply
    57,618.70x = 86,393.49 × 22,516.54
  4. Step 4: Simplify right side
    57,618.70x = 1,945,282,473.32
  5. Step 5: Solve for x
    x = 1,945,282,473.32/57,618.70
  6. Step 6: Final answer
    x = 33,761.30

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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.