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Finding the Fourth Proportional to 3,768.88, 5,652.24 and 1,136.28

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Solution

The fourth proportional to 3,768.88, 5,652.24 and 1,136.28 is: 1,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.88 : 5,652.24 = 1,136.28 : x
  2. Step 2: Convert to fraction form
    3,768.88/5,652.24 = 1,136.28/x
  3. Step 3: Cross multiply
    3,768.88x = 5,652.24 × 1,136.28
  4. Step 4: Simplify right side
    3,768.88x = 6,422,527.27
  5. Step 5: Solve for x
    x = 6,422,527.27/3,768.88
  6. Step 6: Final answer
    x = 1,704.09

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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.