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Finding the Fourth Proportional to 18,171.43, 27,246 and 7,065.16

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Solution

The fourth proportional to 18,171.43, 27,246 and 7,065.16 is: 10,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.43 : 27,246 = 7,065.16 : x
  2. Step 2: Convert to fraction form
    18,171.43/27,246 = 7,065.16/x
  3. Step 3: Cross multiply
    18,171.43x = 27,246 × 7,065.16
  4. Step 4: Simplify right side
    18,171.43x = 192,497,349.36
  5. Step 5: Solve for x
    x = 192,497,349.36/18,171.43
  6. Step 6: Final answer
    x = 10,593.41

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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.