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Finding the Fourth Proportional to 18,155.50, 27,233.25 and 5,843.50

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Solution

The fourth proportional to 18,155.50, 27,233.25 and 5,843.50 is: 8,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.50 : 27,233.25 = 5,843.50 : x
  2. Step 2: Convert to fraction form
    18,155.50/27,233.25 = 5,843.50/x
  3. Step 3: Cross multiply
    18,155.50x = 27,233.25 × 5,843.50
  4. Step 4: Simplify right side
    18,155.50x = 159,137,496.38
  5. Step 5: Solve for x
    x = 159,137,496.38/18,155.50
  6. Step 6: Final answer
    x = 8,765.25

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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.