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Finding the Fourth Proportional to 18,552.30, 27,832.97 and 5,404.58

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Solution

The fourth proportional to 18,552.30, 27,832.97 and 5,404.58 is: 8,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.30 : 27,832.97 = 5,404.58 : x
  2. Step 2: Convert to fraction form
    18,552.30/27,832.97 = 5,404.58/x
  3. Step 3: Cross multiply
    18,552.30x = 27,832.97 × 5,404.58
  4. Step 4: Simplify right side
    18,552.30x = 150,425,513.00
  5. Step 5: Solve for x
    x = 150,425,513.00/18,552.30
  6. Step 6: Final answer
    x = 8,108.19

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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.