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Finding the Fourth Proportional to 5,067.84, 6,992.79 and 2,829.36

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Solution

The fourth proportional to 5,067.84, 6,992.79 and 2,829.36 is: 3,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.84 : 6,992.79 = 2,829.36 : x
  2. Step 2: Convert to fraction form
    5,067.84/6,992.79 = 2,829.36/x
  3. Step 3: Cross multiply
    5,067.84x = 6,992.79 × 2,829.36
  4. Step 4: Simplify right side
    5,067.84x = 19,785,120.31
  5. Step 5: Solve for x
    x = 19,785,120.31/5,067.84
  6. Step 6: Final answer
    x = 3,904.05

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1.5x scale

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.