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Finding the Fourth Proportional to 3,651.70, 5,481.60 and 2,833.60

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Solution

The fourth proportional to 3,651.70, 5,481.60 and 2,833.60 is: 4,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.70 : 5,481.60 = 2,833.60 : x
  2. Step 2: Convert to fraction form
    3,651.70/5,481.60 = 2,833.60/x
  3. Step 3: Cross multiply
    3,651.70x = 5,481.60 × 2,833.60
  4. Step 4: Simplify right side
    3,651.70x = 15,532,661.76
  5. Step 5: Solve for x
    x = 15,532,661.76/3,651.70
  6. Step 6: Final answer
    x = 4,253.54

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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.