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Finding the Fourth Proportional to 36,542.42, 54,804.03 and 15,761.30

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Solution

The fourth proportional to 36,542.42, 54,804.03 and 15,761.30 is: 23,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,542.42 : 54,804.03 = 15,761.30 : x
  2. Step 2: Convert to fraction form
    36,542.42/54,804.03 = 15,761.30/x
  3. Step 3: Cross multiply
    36,542.42x = 54,804.03 × 15,761.30
  4. Step 4: Simplify right side
    36,542.42x = 863,782,758.04
  5. Step 5: Solve for x
    x = 863,782,758.04/36,542.42
  6. Step 6: Final answer
    x = 23,637.81

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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.