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Finding the Fourth Proportional to 40,309.52, 60,192.64 and 32,928.56

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Solution

The fourth proportional to 40,309.52, 60,192.64 and 32,928.56 is: 49,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.52 : 60,192.64 = 32,928.56 : x
  2. Step 2: Convert to fraction form
    40,309.52/60,192.64 = 32,928.56/x
  3. Step 3: Cross multiply
    40,309.52x = 60,192.64 × 32,928.56
  4. Step 4: Simplify right side
    40,309.52x = 1,982,056,957.80
  5. Step 5: Solve for x
    x = 1,982,056,957.80/40,309.52
  6. Step 6: Final answer
    x = 49,170.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.