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Finding the Fourth Proportional to 18,487.75, 27,736.01 and 6,007.81

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Solution

The fourth proportional to 18,487.75, 27,736.01 and 6,007.81 is: 9,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.75 : 27,736.01 = 6,007.81 : x
  2. Step 2: Convert to fraction form
    18,487.75/27,736.01 = 6,007.81/x
  3. Step 3: Cross multiply
    18,487.75x = 27,736.01 × 6,007.81
  4. Step 4: Simplify right side
    18,487.75x = 166,632,648.20
  5. Step 5: Solve for x
    x = 166,632,648.20/18,487.75
  6. Step 6: Final answer
    x = 9,013.14

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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.