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Finding the Fourth Proportional to 6,361.66, 8,779.43 and 3,843.74

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Solution

The fourth proportional to 6,361.66, 8,779.43 and 3,843.74 is: 5,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.66 : 8,779.43 = 3,843.74 : x
  2. Step 2: Convert to fraction form
    6,361.66/8,779.43 = 3,843.74/x
  3. Step 3: Cross multiply
    6,361.66x = 8,779.43 × 3,843.74
  4. Step 4: Simplify right side
    6,361.66x = 33,745,846.27
  5. Step 5: Solve for x
    x = 33,745,846.27/6,361.66
  6. Step 6: Final answer
    x = 5,304.57

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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.