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Finding the Fourth Proportional to 11,863.46, 17,795.16 and 11,141.75

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Solution

The fourth proportional to 11,863.46, 17,795.16 and 11,141.75 is: 16,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.46 : 17,795.16 = 11,141.75 : x
  2. Step 2: Convert to fraction form
    11,863.46/17,795.16 = 11,141.75/x
  3. Step 3: Cross multiply
    11,863.46x = 17,795.16 × 11,141.75
  4. Step 4: Simplify right side
    11,863.46x = 198,269,223.93
  5. Step 5: Solve for x
    x = 198,269,223.93/11,863.46
  6. Step 6: Final answer
    x = 16,712.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.