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Finding the Fourth Proportional to 8,361.82, 12,540.11 and 3,024.31

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Solution

The fourth proportional to 8,361.82, 12,540.11 and 3,024.31 is: 4,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.82 : 12,540.11 = 3,024.31 : x
  2. Step 2: Convert to fraction form
    8,361.82/12,540.11 = 3,024.31/x
  3. Step 3: Cross multiply
    8,361.82x = 12,540.11 × 3,024.31
  4. Step 4: Simplify right side
    8,361.82x = 37,925,102.25
  5. Step 5: Solve for x
    x = 37,925,102.25/8,361.82
  6. Step 6: Final answer
    x = 4,535.51

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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.