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Finding the Fourth Proportional to 40,628.44, 56,072.44 and 22,724.44

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Solution

The fourth proportional to 40,628.44, 56,072.44 and 22,724.44 is: 31,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,628.44 : 56,072.44 = 22,724.44 : x
  2. Step 2: Convert to fraction form
    40,628.44/56,072.44 = 22,724.44/x
  3. Step 3: Cross multiply
    40,628.44x = 56,072.44 × 22,724.44
  4. Step 4: Simplify right side
    40,628.44x = 1,274,214,798.43
  5. Step 5: Solve for x
    x = 1,274,214,798.43/40,628.44
  6. Step 6: Final answer
    x = 31,362.63

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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.