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Finding the Fourth Proportional to 9,993.69, 13,791.30 and 5,801.94

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Solution

The fourth proportional to 9,993.69, 13,791.30 and 5,801.94 is: 8,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.69 : 13,791.30 = 5,801.94 : x
  2. Step 2: Convert to fraction form
    9,993.69/13,791.30 = 5,801.94/x
  3. Step 3: Cross multiply
    9,993.69x = 13,791.30 × 5,801.94
  4. Step 4: Simplify right side
    9,993.69x = 80,016,266.11
  5. Step 5: Solve for x
    x = 80,016,266.11/9,993.69
  6. Step 6: Final answer
    x = 8,006.68

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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.