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Finding the Fourth Proportional to 18,544.94, 27,817.41 and 5,397.42

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Solution

The fourth proportional to 18,544.94, 27,817.41 and 5,397.42 is: 8,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.94 : 27,817.41 = 5,397.42 : x
  2. Step 2: Convert to fraction form
    18,544.94/27,817.41 = 5,397.42/x
  3. Step 3: Cross multiply
    18,544.94x = 27,817.41 × 5,397.42
  4. Step 4: Simplify right side
    18,544.94x = 150,142,245.08
  5. Step 5: Solve for x
    x = 150,142,245.08/18,544.94
  6. Step 6: Final answer
    x = 8,096.13

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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.