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Finding the Fourth Proportional to 5,183.96, 7,815.03 and 4,849.88

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Solution

The fourth proportional to 5,183.96, 7,815.03 and 4,849.88 is: 7,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.96 : 7,815.03 = 4,849.88 : x
  2. Step 2: Convert to fraction form
    5,183.96/7,815.03 = 4,849.88/x
  3. Step 3: Cross multiply
    5,183.96x = 7,815.03 × 4,849.88
  4. Step 4: Simplify right side
    5,183.96x = 37,901,957.70
  5. Step 5: Solve for x
    x = 37,901,957.70/5,183.96
  6. Step 6: Final answer
    x = 7,311.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.