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Finding the Fourth Proportional to 5,966.80, 8,953.26 and 3,993.88

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Solution

The fourth proportional to 5,966.80, 8,953.26 and 3,993.88 is: 5,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,966.80 : 8,953.26 = 3,993.88 : x
  2. Step 2: Convert to fraction form
    5,966.80/8,953.26 = 3,993.88/x
  3. Step 3: Cross multiply
    5,966.80x = 8,953.26 × 3,993.88
  4. Step 4: Simplify right side
    5,966.80x = 35,758,246.05
  5. Step 5: Solve for x
    x = 35,758,246.05/5,966.80
  6. Step 6: Final answer
    x = 5,992.87

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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.