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Finding the Fourth Proportional to 53,361.68, 73,583.80 and 45,832.92

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Solution

The fourth proportional to 53,361.68, 73,583.80 and 45,832.92 is: 63,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,361.68 : 73,583.80 = 45,832.92 : x
  2. Step 2: Convert to fraction form
    53,361.68/73,583.80 = 45,832.92/x
  3. Step 3: Cross multiply
    53,361.68x = 73,583.80 × 45,832.92
  4. Step 4: Simplify right side
    53,361.68x = 3,372,560,418.70
  5. Step 5: Solve for x
    x = 3,372,560,418.70/53,361.68
  6. Step 6: Final answer
    x = 63,201.92

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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.