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Finding the Fourth Proportional to 5,576.79, 8,361.36 and 2,655.39

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Solution

The fourth proportional to 5,576.79, 8,361.36 and 2,655.39 is: 3,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.79 : 8,361.36 = 2,655.39 : x
  2. Step 2: Convert to fraction form
    5,576.79/8,361.36 = 2,655.39/x
  3. Step 3: Cross multiply
    5,576.79x = 8,361.36 × 2,655.39
  4. Step 4: Simplify right side
    5,576.79x = 22,202,671.73
  5. Step 5: Solve for x
    x = 22,202,671.73/5,576.79
  6. Step 6: Final answer
    x = 3,981.26

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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.