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Finding the Fourth Proportional to 2,995.99, 4,138.50 and 2,716.54

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Solution

The fourth proportional to 2,995.99, 4,138.50 and 2,716.54 is: 3,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.99 : 4,138.50 = 2,716.54 : x
  2. Step 2: Convert to fraction form
    2,995.99/4,138.50 = 2,716.54/x
  3. Step 3: Cross multiply
    2,995.99x = 4,138.50 × 2,716.54
  4. Step 4: Simplify right side
    2,995.99x = 11,242,400.79
  5. Step 5: Solve for x
    x = 11,242,400.79/2,995.99
  6. Step 6: Final answer
    x = 3,752.48

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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.