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Finding the Fourth Proportional to 8,361.60, 11,540.08 and 5,004.48

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Solution

The fourth proportional to 8,361.60, 11,540.08 and 5,004.48 is: 6,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.60 : 11,540.08 = 5,004.48 : x
  2. Step 2: Convert to fraction form
    8,361.60/11,540.08 = 5,004.48/x
  3. Step 3: Cross multiply
    8,361.60x = 11,540.08 × 5,004.48
  4. Step 4: Simplify right side
    8,361.60x = 57,752,099.56
  5. Step 5: Solve for x
    x = 57,752,099.56/8,361.60
  6. Step 6: Final answer
    x = 6,906.82

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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.