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Finding the Fourth Proportional to 18,559.31, 27,832.05 and 7,462.26

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Solution

The fourth proportional to 18,559.31, 27,832.05 and 7,462.26 is: 11,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.31 : 27,832.05 = 7,462.26 : x
  2. Step 2: Convert to fraction form
    18,559.31/27,832.05 = 7,462.26/x
  3. Step 3: Cross multiply
    18,559.31x = 27,832.05 × 7,462.26
  4. Step 4: Simplify right side
    18,559.31x = 207,689,993.43
  5. Step 5: Solve for x
    x = 207,689,993.43/18,559.31
  6. Step 6: Final answer
    x = 11,190.61

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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.