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Finding the Fourth Proportional to 6,366.52, 8,785.78 and 3,882.52

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Solution

The fourth proportional to 6,366.52, 8,785.78 and 3,882.52 is: 5,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.52 : 8,785.78 = 3,882.52 : x
  2. Step 2: Convert to fraction form
    6,366.52/8,785.78 = 3,882.52/x
  3. Step 3: Cross multiply
    6,366.52x = 8,785.78 × 3,882.52
  4. Step 4: Simplify right side
    6,366.52x = 34,110,966.57
  5. Step 5: Solve for x
    x = 34,110,966.57/6,366.52
  6. Step 6: Final answer
    x = 5,357.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.