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Finding the Fourth Proportional to 36,993.45, 55,490.68 and 12,033.63

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Solution

The fourth proportional to 36,993.45, 55,490.68 and 12,033.63 is: 18,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,993.45 : 55,490.68 = 12,033.63 : x
  2. Step 2: Convert to fraction form
    36,993.45/55,490.68 = 12,033.63/x
  3. Step 3: Cross multiply
    36,993.45x = 55,490.68 × 12,033.63
  4. Step 4: Simplify right side
    36,993.45x = 667,754,109.43
  5. Step 5: Solve for x
    x = 667,754,109.43/36,993.45
  6. Step 6: Final answer
    x = 18,050.61

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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.