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Finding the Fourth Proportional to 6,202.40, 9,300.90 and 2,040.80

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Solution

The fourth proportional to 6,202.40, 9,300.90 and 2,040.80 is: 3,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,202.40 : 9,300.90 = 2,040.80 : x
  2. Step 2: Convert to fraction form
    6,202.40/9,300.90 = 2,040.80/x
  3. Step 3: Cross multiply
    6,202.40x = 9,300.90 × 2,040.80
  4. Step 4: Simplify right side
    6,202.40x = 18,981,276.72
  5. Step 5: Solve for x
    x = 18,981,276.72/6,202.40
  6. Step 6: Final answer
    x = 3,060.31

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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.