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Finding the Fourth Proportional to 18,500.00, 27,747.25 and 6,810.48

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Solution

The fourth proportional to 18,500.00, 27,747.25 and 6,810.48 is: 10,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.00 : 27,747.25 = 6,810.48 : x
  2. Step 2: Convert to fraction form
    18,500.00/27,747.25 = 6,810.48/x
  3. Step 3: Cross multiply
    18,500.00x = 27,747.25 × 6,810.48
  4. Step 4: Simplify right side
    18,500.00x = 188,972,074.15
  5. Step 5: Solve for x
    x = 188,972,074.15/18,500.00
  6. Step 6: Final answer
    x = 10,214.71

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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.