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Finding the Fourth Proportional to 53,474.70, 73,796.83 and 30,811.94

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Solution

The fourth proportional to 53,474.70, 73,796.83 and 30,811.94 is: 42,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,474.70 : 73,796.83 = 30,811.94 : x
  2. Step 2: Convert to fraction form
    53,474.70/73,796.83 = 30,811.94/x
  3. Step 3: Cross multiply
    53,474.70x = 73,796.83 × 30,811.94
  4. Step 4: Simplify right side
    53,474.70x = 2,273,823,052.14
  5. Step 5: Solve for x
    x = 2,273,823,052.14/53,474.70
  6. Step 6: Final answer
    x = 42,521.47

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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.