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Finding the Fourth Proportional to 34,976.94, 52,447.92 and 20,759.94

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Solution

The fourth proportional to 34,976.94, 52,447.92 and 20,759.94 is: 31,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,976.94 : 52,447.92 = 20,759.94 : x
  2. Step 2: Convert to fraction form
    34,976.94/52,447.92 = 20,759.94/x
  3. Step 3: Cross multiply
    34,976.94x = 52,447.92 × 20,759.94
  4. Step 4: Simplify right side
    34,976.94x = 1,088,815,672.32
  5. Step 5: Solve for x
    x = 1,088,815,672.32/34,976.94
  6. Step 6: Final answer
    x = 31,129.53

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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.