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Finding the Fourth Proportional to 36,863.94, 50,840.94 and 31,149.39

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Solution

The fourth proportional to 36,863.94, 50,840.94 and 31,149.39 is: 42,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,863.94 : 50,840.94 = 31,149.39 : x
  2. Step 2: Convert to fraction form
    36,863.94/50,840.94 = 31,149.39/x
  3. Step 3: Cross multiply
    36,863.94x = 50,840.94 × 31,149.39
  4. Step 4: Simplify right side
    36,863.94x = 1,583,664,268.03
  5. Step 5: Solve for x
    x = 1,583,664,268.03/36,863.94
  6. Step 6: Final answer
    x = 42,959.71

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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.