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Finding the Fourth Proportional to 50,754.60, 76,067.10 and 39,009.60

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Solution

The fourth proportional to 50,754.60, 76,067.10 and 39,009.60 is: 58,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,754.60 : 76,067.10 = 39,009.60 : x
  2. Step 2: Convert to fraction form
    50,754.60/76,067.10 = 39,009.60/x
  3. Step 3: Cross multiply
    50,754.60x = 76,067.10 × 39,009.60
  4. Step 4: Simplify right side
    50,754.60x = 2,967,347,144.16
  5. Step 5: Solve for x
    x = 2,967,347,144.16/50,754.60
  6. Step 6: Final answer
    x = 58,464.60

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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.