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Finding the Fourth Proportional to 12,093.53, 17,993.96 and 11,792.21

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Solution

The fourth proportional to 12,093.53, 17,993.96 and 11,792.21 is: 17,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.53 : 17,993.96 = 11,792.21 : x
  2. Step 2: Convert to fraction form
    12,093.53/17,993.96 = 11,792.21/x
  3. Step 3: Cross multiply
    12,093.53x = 17,993.96 × 11,792.21
  4. Step 4: Simplify right side
    12,093.53x = 212,188,406.12
  5. Step 5: Solve for x
    x = 212,188,406.12/12,093.53
  6. Step 6: Final answer
    x = 17,545.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.