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Finding the Fourth Proportional to 40,179.74, 55,448.04 and 22,274.70

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Solution

The fourth proportional to 40,179.74, 55,448.04 and 22,274.70 is: 30,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179.74 : 55,448.04 = 22,274.70 : x
  2. Step 2: Convert to fraction form
    40,179.74/55,448.04 = 22,274.70/x
  3. Step 3: Cross multiply
    40,179.74x = 55,448.04 × 22,274.70
  4. Step 4: Simplify right side
    40,179.74x = 1,235,088,456.59
  5. Step 5: Solve for x
    x = 1,235,088,456.59/40,179.74
  6. Step 6: Final answer
    x = 30,739.09

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