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Finding the Fourth Proportional to 18,359.91, 27,515.19 and 10,027.44

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Solution

The fourth proportional to 18,359.91, 27,515.19 and 10,027.44 is: 15,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.91 : 27,515.19 = 10,027.44 : x
  2. Step 2: Convert to fraction form
    18,359.91/27,515.19 = 10,027.44/x
  3. Step 3: Cross multiply
    18,359.91x = 27,515.19 × 10,027.44
  4. Step 4: Simplify right side
    18,359.91x = 275,906,916.81
  5. Step 5: Solve for x
    x = 275,906,916.81/18,359.91
  6. Step 6: Final answer
    x = 15,027.68

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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.