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Finding the Fourth Proportional to 18,324.83, 27,487.86 and 5,845.57

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Solution

The fourth proportional to 18,324.83, 27,487.86 and 5,845.57 is: 8,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.83 : 27,487.86 = 5,845.57 : x
  2. Step 2: Convert to fraction form
    18,324.83/27,487.86 = 5,845.57/x
  3. Step 3: Cross multiply
    18,324.83x = 27,487.86 × 5,845.57
  4. Step 4: Simplify right side
    18,324.83x = 160,682,119.14
  5. Step 5: Solve for x
    x = 160,682,119.14/18,324.83
  6. Step 6: Final answer
    x = 8,768.55

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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.