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Finding the Fourth Proportional to 20,201.56, 30,304.07 and 6,164.75

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Solution

The fourth proportional to 20,201.56, 30,304.07 and 6,164.75 is: 9,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.56 : 30,304.07 = 6,164.75 : x
  2. Step 2: Convert to fraction form
    20,201.56/30,304.07 = 6,164.75/x
  3. Step 3: Cross multiply
    20,201.56x = 30,304.07 × 6,164.75
  4. Step 4: Simplify right side
    20,201.56x = 186,816,856.31
  5. Step 5: Solve for x
    x = 186,816,856.31/20,201.56
  6. Step 6: Final answer
    x = 9,247.64

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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.