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Finding the Fourth Proportional to 6,361.68, 8,778.33 and 3,843.37

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Solution

The fourth proportional to 6,361.68, 8,778.33 and 3,843.37 is: 5,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.68 : 8,778.33 = 3,843.37 : x
  2. Step 2: Convert to fraction form
    6,361.68/8,778.33 = 3,843.37/x
  3. Step 3: Cross multiply
    6,361.68x = 8,778.33 × 3,843.37
  4. Step 4: Simplify right side
    6,361.68x = 33,738,370.17
  5. Step 5: Solve for x
    x = 33,738,370.17/6,361.68
  6. Step 6: Final answer
    x = 5,303.37

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1.5x scale

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.