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Finding the Fourth Proportional to 6,573.36, 9,863.16 and 3,286.80

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Solution

The fourth proportional to 6,573.36, 9,863.16 and 3,286.80 is: 4,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,573.36 : 9,863.16 = 3,286.80 : x
  2. Step 2: Convert to fraction form
    6,573.36/9,863.16 = 3,286.80/x
  3. Step 3: Cross multiply
    6,573.36x = 9,863.16 × 3,286.80
  4. Step 4: Simplify right side
    6,573.36x = 32,418,234.29
  5. Step 5: Solve for x
    x = 32,418,234.29/6,573.36
  6. Step 6: Final answer
    x = 4,931.76

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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.