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Finding the Fourth Proportional to 11,792.11, 17,691.22 and 3,471.85

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Solution

The fourth proportional to 11,792.11, 17,691.22 and 3,471.85 is: 5,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.11 : 17,691.22 = 3,471.85 : x
  2. Step 2: Convert to fraction form
    11,792.11/17,691.22 = 3,471.85/x
  3. Step 3: Cross multiply
    11,792.11x = 17,691.22 × 3,471.85
  4. Step 4: Simplify right side
    11,792.11x = 61,421,268.61
  5. Step 5: Solve for x
    x = 61,421,268.61/11,792.11
  6. Step 6: Final answer
    x = 5,208.68

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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.