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Finding the Fourth Proportional to 18,247.26, 27,373.05 and 6,397.41

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Solution

The fourth proportional to 18,247.26, 27,373.05 and 6,397.41 is: 9,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.26 : 27,373.05 = 6,397.41 : x
  2. Step 2: Convert to fraction form
    18,247.26/27,373.05 = 6,397.41/x
  3. Step 3: Cross multiply
    18,247.26x = 27,373.05 × 6,397.41
  4. Step 4: Simplify right side
    18,247.26x = 175,116,623.80
  5. Step 5: Solve for x
    x = 175,116,623.80/18,247.26
  6. Step 6: Final answer
    x = 9,596.87

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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.