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Finding the Fourth Proportional to 3,762.59, 5,192.73 and 2,169.27

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Solution

The fourth proportional to 3,762.59, 5,192.73 and 2,169.27 is: 2,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.59 : 5,192.73 = 2,169.27 : x
  2. Step 2: Convert to fraction form
    3,762.59/5,192.73 = 2,169.27/x
  3. Step 3: Cross multiply
    3,762.59x = 5,192.73 × 2,169.27
  4. Step 4: Simplify right side
    3,762.59x = 11,264,433.41
  5. Step 5: Solve for x
    x = 11,264,433.41/3,762.59
  6. Step 6: Final answer
    x = 2,993.80

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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.