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Finding the Fourth Proportional to 18,490.52, 27,736.32 and 6,010.40

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Solution

The fourth proportional to 18,490.52, 27,736.32 and 6,010.40 is: 9,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.52 : 27,736.32 = 6,010.40 : x
  2. Step 2: Convert to fraction form
    18,490.52/27,736.32 = 6,010.40/x
  3. Step 3: Cross multiply
    18,490.52x = 27,736.32 × 6,010.40
  4. Step 4: Simplify right side
    18,490.52x = 166,706,377.73
  5. Step 5: Solve for x
    x = 166,706,377.73/18,490.52
  6. Step 6: Final answer
    x = 9,015.78

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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.