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Finding the Fourth Proportional to 63,940.36, 88,234.44 and 35,640.56

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Solution

The fourth proportional to 63,940.36, 88,234.44 and 35,640.56 is: 49,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,940.36 : 88,234.44 = 35,640.56 : x
  2. Step 2: Convert to fraction form
    63,940.36/88,234.44 = 35,640.56/x
  3. Step 3: Cross multiply
    63,940.36x = 88,234.44 × 35,640.56
  4. Step 4: Simplify right side
    63,940.36x = 3,144,724,852.89
  5. Step 5: Solve for x
    x = 3,144,724,852.89/63,940.36
  6. Step 6: Final answer
    x = 49,182.16

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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.