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Finding the Fourth Proportional to 18,179.43, 27,258.88 and 7,073.41

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Solution

The fourth proportional to 18,179.43, 27,258.88 and 7,073.41 is: 10,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.43 : 27,258.88 = 7,073.41 : x
  2. Step 2: Convert to fraction form
    18,179.43/27,258.88 = 7,073.41/x
  3. Step 3: Cross multiply
    18,179.43x = 27,258.88 × 7,073.41
  4. Step 4: Simplify right side
    18,179.43x = 192,813,234.38
  5. Step 5: Solve for x
    x = 192,813,234.38/18,179.43
  6. Step 6: Final answer
    x = 10,606.12

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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.