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Finding the Fourth Proportional to 7,959.80, 11,938.26 and 2,694.26

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Solution

The fourth proportional to 7,959.80, 11,938.26 and 2,694.26 is: 4,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.80 : 11,938.26 = 2,694.26 : x
  2. Step 2: Convert to fraction form
    7,959.80/11,938.26 = 2,694.26/x
  3. Step 3: Cross multiply
    7,959.80x = 11,938.26 × 2,694.26
  4. Step 4: Simplify right side
    7,959.80x = 32,164,776.39
  5. Step 5: Solve for x
    x = 32,164,776.39/7,959.80
  6. Step 6: Final answer
    x = 4,040.90

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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.