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Finding the Fourth Proportional to 15,194.46, 22,791.49 and 7,794.91

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Solution

The fourth proportional to 15,194.46, 22,791.49 and 7,794.91 is: 11,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.46 : 22,791.49 = 7,794.91 : x
  2. Step 2: Convert to fraction form
    15,194.46/22,791.49 = 7,794.91/x
  3. Step 3: Cross multiply
    15,194.46x = 22,791.49 × 7,794.91
  4. Step 4: Simplify right side
    15,194.46x = 177,657,536.85
  5. Step 5: Solve for x
    x = 177,657,536.85/15,194.46
  6. Step 6: Final answer
    x = 11,692.26

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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.