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Finding the Fourth Proportional to 5,813.12, 8,004.02 and 5,067.12

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Solution

The fourth proportional to 5,813.12, 8,004.02 and 5,067.12 is: 6,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.12 : 8,004.02 = 5,067.12 : x
  2. Step 2: Convert to fraction form
    5,813.12/8,004.02 = 5,067.12/x
  3. Step 3: Cross multiply
    5,813.12x = 8,004.02 × 5,067.12
  4. Step 4: Simplify right side
    5,813.12x = 40,557,329.82
  5. Step 5: Solve for x
    x = 40,557,329.82/5,813.12
  6. Step 6: Final answer
    x = 6,976.86

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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.