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Finding the Fourth Proportional to 18,584.53, 27,877.71 and 7,489.73

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Solution

The fourth proportional to 18,584.53, 27,877.71 and 7,489.73 is: 11,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.53 : 27,877.71 = 7,489.73 : x
  2. Step 2: Convert to fraction form
    18,584.53/27,877.71 = 7,489.73/x
  3. Step 3: Cross multiply
    18,584.53x = 27,877.71 × 7,489.73
  4. Step 4: Simplify right side
    18,584.53x = 208,796,520.92
  5. Step 5: Solve for x
    x = 208,796,520.92/18,584.53
  6. Step 6: Final answer
    x = 11,234.96

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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.