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Finding the Fourth Proportional to 18,096.46, 27,104.59 and 13,905.62

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Solution

The fourth proportional to 18,096.46, 27,104.59 and 13,905.62 is: 20,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.46 : 27,104.59 = 13,905.62 : x
  2. Step 2: Convert to fraction form
    18,096.46/27,104.59 = 13,905.62/x
  3. Step 3: Cross multiply
    18,096.46x = 27,104.59 × 13,905.62
  4. Step 4: Simplify right side
    18,096.46x = 376,906,128.80
  5. Step 5: Solve for x
    x = 376,906,128.80/18,096.46
  6. Step 6: Final answer
    x = 20,827.62

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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.