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Finding the Fourth Proportional to 18,343.41, 27,522.41 and 8,487.33

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Solution

The fourth proportional to 18,343.41, 27,522.41 and 8,487.33 is: 12,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.41 : 27,522.41 = 8,487.33 : x
  2. Step 2: Convert to fraction form
    18,343.41/27,522.41 = 8,487.33/x
  3. Step 3: Cross multiply
    18,343.41x = 27,522.41 × 8,487.33
  4. Step 4: Simplify right side
    18,343.41x = 233,591,733.63
  5. Step 5: Solve for x
    x = 233,591,733.63/18,343.41
  6. Step 6: Final answer
    x = 12,734.37

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1.5x scale

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.