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Finding the Fourth Proportional to 5,195.52, 7,786.56 and 3,003.12

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Solution

The fourth proportional to 5,195.52, 7,786.56 and 3,003.12 is: 4,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.52 : 7,786.56 = 3,003.12 : x
  2. Step 2: Convert to fraction form
    5,195.52/7,786.56 = 3,003.12/x
  3. Step 3: Cross multiply
    5,195.52x = 7,786.56 × 3,003.12
  4. Step 4: Simplify right side
    5,195.52x = 23,383,974.07
  5. Step 5: Solve for x
    x = 23,383,974.07/5,195.52
  6. Step 6: Final answer
    x = 4,500.80

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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.