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Finding the Fourth Proportional to 36,900.88, 55,351.52 and 9,198.88

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Solution

The fourth proportional to 36,900.88, 55,351.52 and 9,198.88 is: 13,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,900.88 : 55,351.52 = 9,198.88 : x
  2. Step 2: Convert to fraction form
    36,900.88/55,351.52 = 9,198.88/x
  3. Step 3: Cross multiply
    36,900.88x = 55,351.52 × 9,198.88
  4. Step 4: Simplify right side
    36,900.88x = 509,171,990.30
  5. Step 5: Solve for x
    x = 509,171,990.30/36,900.88
  6. Step 6: Final answer
    x = 13,798.37

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1.5x scale

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.