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Finding the Fourth Proportional to 57,650.28, 85,902.28 and 51,361.96

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Solution

The fourth proportional to 57,650.28, 85,902.28 and 51,361.96 is: 76,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,650.28 : 85,902.28 = 51,361.96 : x
  2. Step 2: Convert to fraction form
    57,650.28/85,902.28 = 51,361.96/x
  3. Step 3: Cross multiply
    57,650.28x = 85,902.28 × 51,361.96
  4. Step 4: Simplify right side
    57,650.28x = 4,412,109,469.27
  5. Step 5: Solve for x
    x = 4,412,109,469.27/57,650.28
  6. Step 6: Final answer
    x = 76,532.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.