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Finding the Fourth Proportional to 4,872.22, 6,723.24 and 2,882.42

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Solution

The fourth proportional to 4,872.22, 6,723.24 and 2,882.42 is: 3,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.22 : 6,723.24 = 2,882.42 : x
  2. Step 2: Convert to fraction form
    4,872.22/6,723.24 = 2,882.42/x
  3. Step 3: Cross multiply
    4,872.22x = 6,723.24 × 2,882.42
  4. Step 4: Simplify right side
    4,872.22x = 19,379,182.23
  5. Step 5: Solve for x
    x = 19,379,182.23/4,872.22
  6. Step 6: Final answer
    x = 3,977.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.