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Finding the Fourth Proportional to 5,961.40, 8,940.12 and 2,011.59

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Solution

The fourth proportional to 5,961.40, 8,940.12 and 2,011.59 is: 3,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,961.40 : 8,940.12 = 2,011.59 : x
  2. Step 2: Convert to fraction form
    5,961.40/8,940.12 = 2,011.59/x
  3. Step 3: Cross multiply
    5,961.40x = 8,940.12 × 2,011.59
  4. Step 4: Simplify right side
    5,961.40x = 17,983,855.99
  5. Step 5: Solve for x
    x = 17,983,855.99/5,961.40
  6. Step 6: Final answer
    x = 3,016.72

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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.