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Finding the Fourth Proportional to 18,559.33, 27,832.07 and 7,462.28

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Solution

The fourth proportional to 18,559.33, 27,832.07 and 7,462.28 is: 11,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.33 : 27,832.07 = 7,462.28 : x
  2. Step 2: Convert to fraction form
    18,559.33/27,832.07 = 7,462.28/x
  3. Step 3: Cross multiply
    18,559.33x = 27,832.07 × 7,462.28
  4. Step 4: Simplify right side
    18,559.33x = 207,690,787.56
  5. Step 5: Solve for x
    x = 207,690,787.56/18,559.33
  6. Step 6: Final answer
    x = 11,190.64

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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.