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Finding the Fourth Proportional to 3,240.55, 4,474.92 and 2,062

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Solution

The fourth proportional to 3,240.55, 4,474.92 and 2,062 is: 2,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.55 : 4,474.92 = 2,062 : x
  2. Step 2: Convert to fraction form
    3,240.55/4,474.92 = 2,062/x
  3. Step 3: Cross multiply
    3,240.55x = 4,474.92 × 2,062
  4. Step 4: Simplify right side
    3,240.55x = 9,227,285.04
  5. Step 5: Solve for x
    x = 9,227,285.04/3,240.55
  6. Step 6: Final answer
    x = 2,847.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.