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Finding the Fourth Proportional to 20,202.66, 30,308.88 and 6,351.66

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Solution

The fourth proportional to 20,202.66, 30,308.88 and 6,351.66 is: 9,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.66 : 30,308.88 = 6,351.66 : x
  2. Step 2: Convert to fraction form
    20,202.66/30,308.88 = 6,351.66/x
  3. Step 3: Cross multiply
    20,202.66x = 30,308.88 × 6,351.66
  4. Step 4: Simplify right side
    20,202.66x = 192,511,700.74
  5. Step 5: Solve for x
    x = 192,511,700.74/20,202.66
  6. Step 6: Final answer
    x = 9,529.03

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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.