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Finding the Fourth Proportional to 3,762.82, 5,645.72 and 2,724.13

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Solution

The fourth proportional to 3,762.82, 5,645.72 and 2,724.13 is: 4,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.82 : 5,645.72 = 2,724.13 : x
  2. Step 2: Convert to fraction form
    3,762.82/5,645.72 = 2,724.13/x
  3. Step 3: Cross multiply
    3,762.82x = 5,645.72 × 2,724.13
  4. Step 4: Simplify right side
    3,762.82x = 15,379,661.60
  5. Step 5: Solve for x
    x = 15,379,661.60/3,762.82
  6. Step 6: Final answer
    x = 4,087.27

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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.