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Finding the Fourth Proportional to 69,496.93, 95,905.70 and 37,665.82

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Solution

The fourth proportional to 69,496.93, 95,905.70 and 37,665.82 is: 51,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,496.93 : 95,905.70 = 37,665.82 : x
  2. Step 2: Convert to fraction form
    69,496.93/95,905.70 = 37,665.82/x
  3. Step 3: Cross multiply
    69,496.93x = 95,905.70 × 37,665.82
  4. Step 4: Simplify right side
    69,496.93x = 3,612,366,353.65
  5. Step 5: Solve for x
    x = 3,612,366,353.65/69,496.93
  6. Step 6: Final answer
    x = 51,978.79

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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.