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Finding the Fourth Proportional to 6,241.36, 8,611.88 and 3,757.52

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Solution

The fourth proportional to 6,241.36, 8,611.88 and 3,757.52 is: 5,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.36 : 8,611.88 = 3,757.52 : x
  2. Step 2: Convert to fraction form
    6,241.36/8,611.88 = 3,757.52/x
  3. Step 3: Cross multiply
    6,241.36x = 8,611.88 × 3,757.52
  4. Step 4: Simplify right side
    6,241.36x = 32,359,311.34
  5. Step 5: Solve for x
    x = 32,359,311.34/6,241.36
  6. Step 6: Final answer
    x = 5,184.66

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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.