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Finding the Fourth Proportional to 51,924.80, 77,906.40 and 50,004.80

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Solution

The fourth proportional to 51,924.80, 77,906.40 and 50,004.80 is: 75,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,924.80 : 77,906.40 = 50,004.80 : x
  2. Step 2: Convert to fraction form
    51,924.80/77,906.40 = 50,004.80/x
  3. Step 3: Cross multiply
    51,924.80x = 77,906.40 × 50,004.80
  4. Step 4: Simplify right side
    51,924.80x = 3,895,693,950.72
  5. Step 5: Solve for x
    x = 3,895,693,950.72/51,924.80
  6. Step 6: Final answer
    x = 75,025.69

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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.