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Finding the Fourth Proportional to 2,715.99, 4,067.09 and 2,276.09

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Solution

The fourth proportional to 2,715.99, 4,067.09 and 2,276.09 is: 3,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.99 : 4,067.09 = 2,276.09 : x
  2. Step 2: Convert to fraction form
    2,715.99/4,067.09 = 2,276.09/x
  3. Step 3: Cross multiply
    2,715.99x = 4,067.09 × 2,276.09
  4. Step 4: Simplify right side
    2,715.99x = 9,257,031.16
  5. Step 5: Solve for x
    x = 9,257,031.16/2,715.99
  6. Step 6: Final answer
    x = 3,408.35

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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.