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Finding the Fourth Proportional to 2,711.84, 4,067.76 and 2,536.88

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Solution

The fourth proportional to 2,711.84, 4,067.76 and 2,536.88 is: 3,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.84 : 4,067.76 = 2,536.88 : x
  2. Step 2: Convert to fraction form
    2,711.84/4,067.76 = 2,536.88/x
  3. Step 3: Cross multiply
    2,711.84x = 4,067.76 × 2,536.88
  4. Step 4: Simplify right side
    2,711.84x = 10,319,418.99
  5. Step 5: Solve for x
    x = 10,319,418.99/2,711.84
  6. Step 6: Final answer
    x = 3,805.32

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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.