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Finding the Fourth Proportional to 57,915.54, 86,922.54 and 22,879.80

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Solution

The fourth proportional to 57,915.54, 86,922.54 and 22,879.80 is: 34,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,915.54 : 86,922.54 = 22,879.80 : x
  2. Step 2: Convert to fraction form
    57,915.54/86,922.54 = 22,879.80/x
  3. Step 3: Cross multiply
    57,915.54x = 86,922.54 × 22,879.80
  4. Step 4: Simplify right side
    57,915.54x = 1,988,770,330.69
  5. Step 5: Solve for x
    x = 1,988,770,330.69/57,915.54
  6. Step 6: Final answer
    x = 34,339.15

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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.