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Finding the Fourth Proportional to 36,576, 50,477.04 and 20,660.04

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Solution

The fourth proportional to 36,576, 50,477.04 and 20,660.04 is: 28,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,576 : 50,477.04 = 20,660.04 : x
  2. Step 2: Convert to fraction form
    36,576/50,477.04 = 20,660.04/x
  3. Step 3: Cross multiply
    36,576x = 50,477.04 × 20,660.04
  4. Step 4: Simplify right side
    36,576x = 1,042,857,665.48
  5. Step 5: Solve for x
    x = 1,042,857,665.48/36,576
  6. Step 6: Final answer
    x = 28,512.08

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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.