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Finding the Fourth Proportional to 23,915.88, 35,857.62 and 8,325

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Solution

The fourth proportional to 23,915.88, 35,857.62 and 8,325 is: 12,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,915.88 : 35,857.62 = 8,325 : x
  2. Step 2: Convert to fraction form
    23,915.88/35,857.62 = 8,325/x
  3. Step 3: Cross multiply
    23,915.88x = 35,857.62 × 8,325
  4. Step 4: Simplify right side
    23,915.88x = 298,514,686.50
  5. Step 5: Solve for x
    x = 298,514,686.50/23,915.88
  6. Step 6: Final answer
    x = 12,481.86

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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.