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Finding the Fourth Proportional to 40,481.56, 55,843.32 and 32,936.32

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Solution

The fourth proportional to 40,481.56, 55,843.32 and 32,936.32 is: 45,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,481.56 : 55,843.32 = 32,936.32 : x
  2. Step 2: Convert to fraction form
    40,481.56/55,843.32 = 32,936.32/x
  3. Step 3: Cross multiply
    40,481.56x = 55,843.32 × 32,936.32
  4. Step 4: Simplify right side
    40,481.56x = 1,839,273,457.38
  5. Step 5: Solve for x
    x = 1,839,273,457.38/40,481.56
  6. Step 6: Final answer
    x = 45,434.85

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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.