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Finding the Fourth Proportional to 18,093.46, 27,138.03 and 4,946.98

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Solution

The fourth proportional to 18,093.46, 27,138.03 and 4,946.98 is: 7,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.46 : 27,138.03 = 4,946.98 : x
  2. Step 2: Convert to fraction form
    18,093.46/27,138.03 = 4,946.98/x
  3. Step 3: Cross multiply
    18,093.46x = 27,138.03 × 4,946.98
  4. Step 4: Simplify right side
    18,093.46x = 134,251,291.65
  5. Step 5: Solve for x
    x = 134,251,291.65/18,093.46
  6. Step 6: Final answer
    x = 7,419.88

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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.