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Finding the Fourth Proportional to 18,326.48, 27,489.20 and 5,847.25

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Solution

The fourth proportional to 18,326.48, 27,489.20 and 5,847.25 is: 8,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.48 : 27,489.20 = 5,847.25 : x
  2. Step 2: Convert to fraction form
    18,326.48/27,489.20 = 5,847.25/x
  3. Step 3: Cross multiply
    18,326.48x = 27,489.20 × 5,847.25
  4. Step 4: Simplify right side
    18,326.48x = 160,736,170.60
  5. Step 5: Solve for x
    x = 160,736,170.60/18,326.48
  6. Step 6: Final answer
    x = 8,770.71

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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.