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Finding the Fourth Proportional to 3,481.81, 5,222.73 and 884.74

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Solution

The fourth proportional to 3,481.81, 5,222.73 and 884.74 is: 1,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.81 : 5,222.73 = 884.74 : x
  2. Step 2: Convert to fraction form
    3,481.81/5,222.73 = 884.74/x
  3. Step 3: Cross multiply
    3,481.81x = 5,222.73 × 884.74
  4. Step 4: Simplify right side
    3,481.81x = 4,620,758.14
  5. Step 5: Solve for x
    x = 4,620,758.14/3,481.81
  6. Step 6: Final answer
    x = 1,327.11

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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.