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Finding the Fourth Proportional to 11,940.60, 17,912.70 and 6,094.02

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Solution

The fourth proportional to 11,940.60, 17,912.70 and 6,094.02 is: 9,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.60 : 17,912.70 = 6,094.02 : x
  2. Step 2: Convert to fraction form
    11,940.60/17,912.70 = 6,094.02/x
  3. Step 3: Cross multiply
    11,940.60x = 17,912.70 × 6,094.02
  4. Step 4: Simplify right side
    11,940.60x = 109,160,352.05
  5. Step 5: Solve for x
    x = 109,160,352.05/11,940.60
  6. Step 6: Final answer
    x = 9,141.95

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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.