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Finding the Fourth Proportional to 57,226.64, 78,964.88 and 33,334.88

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Solution

The fourth proportional to 57,226.64, 78,964.88 and 33,334.88 is: 45,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,226.64 : 78,964.88 = 33,334.88 : x
  2. Step 2: Convert to fraction form
    57,226.64/78,964.88 = 33,334.88/x
  3. Step 3: Cross multiply
    57,226.64x = 78,964.88 × 33,334.88
  4. Step 4: Simplify right side
    57,226.64x = 2,632,284,237.52
  5. Step 5: Solve for x
    x = 2,632,284,237.52/57,226.64
  6. Step 6: Final answer
    x = 45,997.54

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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.