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Finding the Fourth Proportional to 64,915.73, 89,584.07 and 36,623.24

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Solution

The fourth proportional to 64,915.73, 89,584.07 and 36,623.24 is: 50,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,915.73 : 89,584.07 = 36,623.24 : x
  2. Step 2: Convert to fraction form
    64,915.73/89,584.07 = 36,623.24/x
  3. Step 3: Cross multiply
    64,915.73x = 89,584.07 × 36,623.24
  4. Step 4: Simplify right side
    64,915.73x = 3,280,858,264.75
  5. Step 5: Solve for x
    x = 3,280,858,264.75/64,915.73
  6. Step 6: Final answer
    x = 50,540.27

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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.