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Finding the Fourth Proportional to 18,270.75, 27,407.03 and 5,958.75

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Solution

The fourth proportional to 18,270.75, 27,407.03 and 5,958.75 is: 8,938.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.75 : 27,407.03 = 5,958.75 : x
  2. Step 2: Convert to fraction form
    18,270.75/27,407.03 = 5,958.75/x
  3. Step 3: Cross multiply
    18,270.75x = 27,407.03 × 5,958.75
  4. Step 4: Simplify right side
    18,270.75x = 163,311,610.22
  5. Step 5: Solve for x
    x = 163,311,610.22/18,270.75
  6. Step 6: Final answer
    x = 8,938.42

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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.