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Finding the Fourth Proportional to 36,561.46, 54,871.04 and 18,791.41

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Solution

The fourth proportional to 36,561.46, 54,871.04 and 18,791.41 is: 28,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.46 : 54,871.04 = 18,791.41 : x
  2. Step 2: Convert to fraction form
    36,561.46/54,871.04 = 18,791.41/x
  3. Step 3: Cross multiply
    36,561.46x = 54,871.04 × 18,791.41
  4. Step 4: Simplify right side
    36,561.46x = 1,031,104,209.77
  5. Step 5: Solve for x
    x = 1,031,104,209.77/36,561.46
  6. Step 6: Final answer
    x = 28,201.94

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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.