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Finding the Fourth Proportional to 36,704.52, 50,651.37 and 21,390.08

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Solution

The fourth proportional to 36,704.52, 50,651.37 and 21,390.08 is: 29,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,704.52 : 50,651.37 = 21,390.08 : x
  2. Step 2: Convert to fraction form
    36,704.52/50,651.37 = 21,390.08/x
  3. Step 3: Cross multiply
    36,704.52x = 50,651.37 × 21,390.08
  4. Step 4: Simplify right side
    36,704.52x = 1,083,436,983.04
  5. Step 5: Solve for x
    x = 1,083,436,983.04/36,704.52
  6. Step 6: Final answer
    x = 29,517.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.