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Finding the Fourth Proportional to 5,361.45, 8,044.91 and 2,553.45

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Solution

The fourth proportional to 5,361.45, 8,044.91 and 2,553.45 is: 3,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.45 : 8,044.91 = 2,553.45 : x
  2. Step 2: Convert to fraction form
    5,361.45/8,044.91 = 2,553.45/x
  3. Step 3: Cross multiply
    5,361.45x = 8,044.91 × 2,553.45
  4. Step 4: Simplify right side
    5,361.45x = 20,542,262.67
  5. Step 5: Solve for x
    x = 20,542,262.67/5,361.45
  6. Step 6: Final answer
    x = 3,831.48

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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.