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Finding the Fourth Proportional to 50,235, 69,324.48 and 27,879

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Solution

The fourth proportional to 50,235, 69,324.48 and 27,879 is: 38,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,235 : 69,324.48 = 27,879 : x
  2. Step 2: Convert to fraction form
    50,235/69,324.48 = 27,879/x
  3. Step 3: Cross multiply
    50,235x = 69,324.48 × 27,879
  4. Step 4: Simplify right side
    50,235x = 1,932,697,177.92
  5. Step 5: Solve for x
    x = 1,932,697,177.92/50,235
  6. Step 6: Final answer
    x = 38,473.12

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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.