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Finding the Fourth Proportional to 3,368.66, 5,053 and 2,067.80

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Solution

The fourth proportional to 3,368.66, 5,053 and 2,067.80 is: 3,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.66 : 5,053 = 2,067.80 : x
  2. Step 2: Convert to fraction form
    3,368.66/5,053 = 2,067.80/x
  3. Step 3: Cross multiply
    3,368.66x = 5,053 × 2,067.80
  4. Step 4: Simplify right side
    3,368.66x = 10,448,593.40
  5. Step 5: Solve for x
    x = 10,448,593.40/3,368.66
  6. Step 6: Final answer
    x = 3,101.71

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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.