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Finding the Fourth Proportional to 18,372.98, 27,557.98 and 5,889.65

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Solution

The fourth proportional to 18,372.98, 27,557.98 and 5,889.65 is: 8,833.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.98 : 27,557.98 = 5,889.65 : x
  2. Step 2: Convert to fraction form
    18,372.98/27,557.98 = 5,889.65/x
  3. Step 3: Cross multiply
    18,372.98x = 27,557.98 × 5,889.65
  4. Step 4: Simplify right side
    18,372.98x = 162,306,704.39
  5. Step 5: Solve for x
    x = 162,306,704.39/18,372.98
  6. Step 6: Final answer
    x = 8,833.99

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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.