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Finding the Fourth Proportional to 18,404.36, 27,606.98 and 6,717.56

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Solution

The fourth proportional to 18,404.36, 27,606.98 and 6,717.56 is: 10,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.36 : 27,606.98 = 6,717.56 : x
  2. Step 2: Convert to fraction form
    18,404.36/27,606.98 = 6,717.56/x
  3. Step 3: Cross multiply
    18,404.36x = 27,606.98 × 6,717.56
  4. Step 4: Simplify right side
    18,404.36x = 185,451,544.57
  5. Step 5: Solve for x
    x = 185,451,544.57/18,404.36
  6. Step 6: Final answer
    x = 10,076.50

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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.