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Finding the Fourth Proportional to 6,557.78, 8,998.83 and 5,963.78

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Solution

The fourth proportional to 6,557.78, 8,998.83 and 5,963.78 is: 8,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.78 : 8,998.83 = 5,963.78 : x
  2. Step 2: Convert to fraction form
    6,557.78/8,998.83 = 5,963.78/x
  3. Step 3: Cross multiply
    6,557.78x = 8,998.83 × 5,963.78
  4. Step 4: Simplify right side
    6,557.78x = 53,667,012.56
  5. Step 5: Solve for x
    x = 53,667,012.56/6,557.78
  6. Step 6: Final answer
    x = 8,183.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.