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Finding the Fourth Proportional to 48,932.20, 73,383.90 and 19,340.20

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Solution

The fourth proportional to 48,932.20, 73,383.90 and 19,340.20 is: 29,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,932.20 : 73,383.90 = 19,340.20 : x
  2. Step 2: Convert to fraction form
    48,932.20/73,383.90 = 19,340.20/x
  3. Step 3: Cross multiply
    48,932.20x = 73,383.90 × 19,340.20
  4. Step 4: Simplify right side
    48,932.20x = 1,419,259,302.78
  5. Step 5: Solve for x
    x = 1,419,259,302.78/48,932.20
  6. Step 6: Final answer
    x = 29,004.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.