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Finding the Fourth Proportional to 8,361.57, 11,540.67 and 4,824.30

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Solution

The fourth proportional to 8,361.57, 11,540.67 and 4,824.30 is: 6,658.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.57 : 11,540.67 = 4,824.30 : x
  2. Step 2: Convert to fraction form
    8,361.57/11,540.67 = 4,824.30/x
  3. Step 3: Cross multiply
    8,361.57x = 11,540.67 × 4,824.30
  4. Step 4: Simplify right side
    8,361.57x = 55,675,654.28
  5. Step 5: Solve for x
    x = 55,675,654.28/8,361.57
  6. Step 6: Final answer
    x = 6,658.52

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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.