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Finding the Fourth Proportional to 23,855.88, 32,952.10 and 18,156

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Solution

The fourth proportional to 23,855.88, 32,952.10 and 18,156 is: 25,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,855.88 : 32,952.10 = 18,156 : x
  2. Step 2: Convert to fraction form
    23,855.88/32,952.10 = 18,156/x
  3. Step 3: Cross multiply
    23,855.88x = 32,952.10 × 18,156
  4. Step 4: Simplify right side
    23,855.88x = 598,278,327.60
  5. Step 5: Solve for x
    x = 598,278,327.60/23,855.88
  6. Step 6: Final answer
    x = 25,078.86

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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.