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Finding the Fourth Proportional to 17,962.31, 26,943.46 and 8,104.41

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Solution

The fourth proportional to 17,962.31, 26,943.46 and 8,104.41 is: 12,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,962.31 : 26,943.46 = 8,104.41 : x
  2. Step 2: Convert to fraction form
    17,962.31/26,943.46 = 8,104.41/x
  3. Step 3: Cross multiply
    17,962.31x = 26,943.46 × 8,104.41
  4. Step 4: Simplify right side
    17,962.31x = 218,360,846.66
  5. Step 5: Solve for x
    x = 218,360,846.66/17,962.31
  6. Step 6: Final answer
    x = 12,156.61

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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.