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Finding the Fourth Proportional to 36,806.94, 55,170.72 and 18,065.16

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Solution

The fourth proportional to 36,806.94, 55,170.72 and 18,065.16 is: 27,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.94 : 55,170.72 = 18,065.16 : x
  2. Step 2: Convert to fraction form
    36,806.94/55,170.72 = 18,065.16/x
  3. Step 3: Cross multiply
    36,806.94x = 55,170.72 × 18,065.16
  4. Step 4: Simplify right side
    36,806.94x = 996,667,884.12
  5. Step 5: Solve for x
    x = 996,667,884.12/36,806.94
  6. Step 6: Final answer
    x = 27,078.26

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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.