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Finding the Fourth Proportional to 50,978.98, 70,351.44 and 29,754.12

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Solution

The fourth proportional to 50,978.98, 70,351.44 and 29,754.12 is: 41,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,978.98 : 70,351.44 = 29,754.12 : x
  2. Step 2: Convert to fraction form
    50,978.98/70,351.44 = 29,754.12/x
  3. Step 3: Cross multiply
    50,978.98x = 70,351.44 × 29,754.12
  4. Step 4: Simplify right side
    50,978.98x = 2,093,245,187.93
  5. Step 5: Solve for x
    x = 2,093,245,187.93/50,978.98
  6. Step 6: Final answer
    x = 41,060.95

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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.