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Finding the Fourth Proportional to 18,094.26, 27,141.20 and 4,946.64

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Solution

The fourth proportional to 18,094.26, 27,141.20 and 4,946.64 is: 7,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094.26 : 27,141.20 = 4,946.64 : x
  2. Step 2: Convert to fraction form
    18,094.26/27,141.20 = 4,946.64/x
  3. Step 3: Cross multiply
    18,094.26x = 27,141.20 × 4,946.64
  4. Step 4: Simplify right side
    18,094.26x = 134,257,745.57
  5. Step 5: Solve for x
    x = 134,257,745.57/18,094.26
  6. Step 6: Final answer
    x = 7,419.91

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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.