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Finding the Fourth Proportional to 7,791.08, 11,690.87 and 3,633.03

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Solution

The fourth proportional to 7,791.08, 11,690.87 and 3,633.03 is: 5,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.08 : 11,690.87 = 3,633.03 : x
  2. Step 2: Convert to fraction form
    7,791.08/11,690.87 = 3,633.03/x
  3. Step 3: Cross multiply
    7,791.08x = 11,690.87 × 3,633.03
  4. Step 4: Simplify right side
    7,791.08x = 42,473,263.27
  5. Step 5: Solve for x
    x = 42,473,263.27/7,791.08
  6. Step 6: Final answer
    x = 5,451.53

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1.5x scale

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.