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Finding the Fourth Proportional to 5,067.50, 6,993.15 and 2,859.50

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Solution

The fourth proportional to 5,067.50, 6,993.15 and 2,859.50 is: 3,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.50 : 6,993.15 = 2,859.50 : x
  2. Step 2: Convert to fraction form
    5,067.50/6,993.15 = 2,859.50/x
  3. Step 3: Cross multiply
    5,067.50x = 6,993.15 × 2,859.50
  4. Step 4: Simplify right side
    5,067.50x = 19,996,912.43
  5. Step 5: Solve for x
    x = 19,996,912.43/5,067.50
  6. Step 6: Final answer
    x = 3,946.11

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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.