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Finding the Fourth Proportional to 4,662.52, 6,998.64 and 2,067.28

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Solution

The fourth proportional to 4,662.52, 6,998.64 and 2,067.28 is: 3,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.52 : 6,998.64 = 2,067.28 : x
  2. Step 2: Convert to fraction form
    4,662.52/6,998.64 = 2,067.28/x
  3. Step 3: Cross multiply
    4,662.52x = 6,998.64 × 2,067.28
  4. Step 4: Simplify right side
    4,662.52x = 14,468,148.50
  5. Step 5: Solve for x
    x = 14,468,148.50/4,662.52
  6. Step 6: Final answer
    x = 3,103.07

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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.