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Finding the Fourth Proportional to 50,640.84, 69,804.84 and 34,697.88

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Solution

The fourth proportional to 50,640.84, 69,804.84 and 34,697.88 is: 47,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,640.84 : 69,804.84 = 34,697.88 : x
  2. Step 2: Convert to fraction form
    50,640.84/69,804.84 = 34,697.88/x
  3. Step 3: Cross multiply
    50,640.84x = 69,804.84 × 34,697.88
  4. Step 4: Simplify right side
    50,640.84x = 2,422,079,961.74
  5. Step 5: Solve for x
    x = 2,422,079,961.74/50,640.84
  6. Step 6: Final answer
    x = 47,828.59

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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.