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Finding the Fourth Proportional to 6,544.36, 9,789.54 and 4,200.76

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Solution

The fourth proportional to 6,544.36, 9,789.54 and 4,200.76 is: 6,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,544.36 : 9,789.54 = 4,200.76 : x
  2. Step 2: Convert to fraction form
    6,544.36/9,789.54 = 4,200.76/x
  3. Step 3: Cross multiply
    6,544.36x = 9,789.54 × 4,200.76
  4. Step 4: Simplify right side
    6,544.36x = 41,123,508.05
  5. Step 5: Solve for x
    x = 41,123,508.05/6,544.36
  6. Step 6: Final answer
    x = 6,283.81

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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.