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Finding the Fourth Proportional to 4,816.80, 7,213.02 and 3,844.80

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Solution

The fourth proportional to 4,816.80, 7,213.02 and 3,844.80 is: 5,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.80 : 7,213.02 = 3,844.80 : x
  2. Step 2: Convert to fraction form
    4,816.80/7,213.02 = 3,844.80/x
  3. Step 3: Cross multiply
    4,816.80x = 7,213.02 × 3,844.80
  4. Step 4: Simplify right side
    4,816.80x = 27,732,619.30
  5. Step 5: Solve for x
    x = 27,732,619.30/4,816.80
  6. Step 6: Final answer
    x = 5,757.48

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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.