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Finding the Fourth Proportional to 57,990.80, 80,033.93 and 32,504.04

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Solution

The fourth proportional to 57,990.80, 80,033.93 and 32,504.04 is: 44,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990.80 : 80,033.93 = 32,504.04 : x
  2. Step 2: Convert to fraction form
    57,990.80/80,033.93 = 32,504.04/x
  3. Step 3: Cross multiply
    57,990.80x = 80,033.93 × 32,504.04
  4. Step 4: Simplify right side
    57,990.80x = 2,601,425,499.39
  5. Step 5: Solve for x
    x = 2,601,425,499.39/57,990.80
  6. Step 6: Final answer
    x = 44,859.28

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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.