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Finding the Fourth Proportional to 11,693.79, 17,542.99 and 3,794.83

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Solution

The fourth proportional to 11,693.79, 17,542.99 and 3,794.83 is: 5,692.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.79 : 17,542.99 = 3,794.83 : x
  2. Step 2: Convert to fraction form
    11,693.79/17,542.99 = 3,794.83/x
  3. Step 3: Cross multiply
    11,693.79x = 17,542.99 × 3,794.83
  4. Step 4: Simplify right side
    11,693.79x = 66,572,640.87
  5. Step 5: Solve for x
    x = 66,572,640.87/11,693.79
  6. Step 6: Final answer
    x = 5,692.99

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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.