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Finding the Fourth Proportional to 6,336.50, 8,744.37 and 3,542

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Solution

The fourth proportional to 6,336.50, 8,744.37 and 3,542 is: 4,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336.50 : 8,744.37 = 3,542 : x
  2. Step 2: Convert to fraction form
    6,336.50/8,744.37 = 3,542/x
  3. Step 3: Cross multiply
    6,336.50x = 8,744.37 × 3,542
  4. Step 4: Simplify right side
    6,336.50x = 30,972,558.54
  5. Step 5: Solve for x
    x = 30,972,558.54/6,336.50
  6. Step 6: Final answer
    x = 4,887.96

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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.