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Finding the Fourth Proportional to 57,738.70, 79,679.46 and 33,544.36

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Solution

The fourth proportional to 57,738.70, 79,679.46 and 33,544.36 is: 46,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,738.70 : 79,679.46 = 33,544.36 : x
  2. Step 2: Convert to fraction form
    57,738.70/79,679.46 = 33,544.36/x
  3. Step 3: Cross multiply
    57,738.70x = 79,679.46 × 33,544.36
  4. Step 4: Simplify right side
    57,738.70x = 2,672,796,490.85
  5. Step 5: Solve for x
    x = 2,672,796,490.85/57,738.70
  6. Step 6: Final answer
    x = 46,291.25

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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.