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Finding the Fourth Proportional to 6,040.80, 9,062.80 and 2,144.80

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Solution

The fourth proportional to 6,040.80, 9,062.80 and 2,144.80 is: 3,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,040.80 : 9,062.80 = 2,144.80 : x
  2. Step 2: Convert to fraction form
    6,040.80/9,062.80 = 2,144.80/x
  3. Step 3: Cross multiply
    6,040.80x = 9,062.80 × 2,144.80
  4. Step 4: Simplify right side
    6,040.80x = 19,437,893.44
  5. Step 5: Solve for x
    x = 19,437,893.44/6,040.80
  6. Step 6: Final answer
    x = 3,217.77

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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.