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Finding the Fourth Proportional to 3,481.47, 5,222.25 and 884.43

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Solution

The fourth proportional to 3,481.47, 5,222.25 and 884.43 is: 1,326.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.47 : 5,222.25 = 884.43 : x
  2. Step 2: Convert to fraction form
    3,481.47/5,222.25 = 884.43/x
  3. Step 3: Cross multiply
    3,481.47x = 5,222.25 × 884.43
  4. Step 4: Simplify right side
    3,481.47x = 4,618,714.57
  5. Step 5: Solve for x
    x = 4,618,714.57/3,481.47
  6. Step 6: Final answer
    x = 1,326.66

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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.