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Finding the Fourth Proportional to 2,873.13, 3,965.22 and 1,614.52

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Solution

The fourth proportional to 2,873.13, 3,965.22 and 1,614.52 is: 2,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.13 : 3,965.22 = 1,614.52 : x
  2. Step 2: Convert to fraction form
    2,873.13/3,965.22 = 1,614.52/x
  3. Step 3: Cross multiply
    2,873.13x = 3,965.22 × 1,614.52
  4. Step 4: Simplify right side
    2,873.13x = 6,401,926.99
  5. Step 5: Solve for x
    x = 6,401,926.99/2,873.13
  6. Step 6: Final answer
    x = 2,228.21

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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.