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Finding the Fourth Proportional to 6,239.56, 9,361.50 and 4,167.88

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Solution

The fourth proportional to 6,239.56, 9,361.50 and 4,167.88 is: 6,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.56 : 9,361.50 = 4,167.88 : x
  2. Step 2: Convert to fraction form
    6,239.56/9,361.50 = 4,167.88/x
  3. Step 3: Cross multiply
    6,239.56x = 9,361.50 × 4,167.88
  4. Step 4: Simplify right side
    6,239.56x = 39,017,608.62
  5. Step 5: Solve for x
    x = 39,017,608.62/6,239.56
  6. Step 6: Final answer
    x = 6,253.26

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1.5x scale

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.