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Finding the Fourth Proportional to 7,295, 10,067.16 and 3,983

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Solution

The fourth proportional to 7,295, 10,067.16 and 3,983 is: 5,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295 : 10,067.16 = 3,983 : x
  2. Step 2: Convert to fraction form
    7,295/10,067.16 = 3,983/x
  3. Step 3: Cross multiply
    7,295x = 10,067.16 × 3,983
  4. Step 4: Simplify right side
    7,295x = 40,097,498.28
  5. Step 5: Solve for x
    x = 40,097,498.28/7,295
  6. Step 6: Final answer
    x = 5,496.57

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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.