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Finding the Fourth Proportional to 69,321, 95,662.99 and 37,489.89

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Solution

The fourth proportional to 69,321, 95,662.99 and 37,489.89 is: 51,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,321 : 95,662.99 = 37,489.89 : x
  2. Step 2: Convert to fraction form
    69,321/95,662.99 = 37,489.89/x
  3. Step 3: Cross multiply
    69,321x = 95,662.99 × 37,489.89
  4. Step 4: Simplify right side
    69,321x = 3,586,394,972.17
  5. Step 5: Solve for x
    x = 3,586,394,972.17/69,321
  6. Step 6: Final answer
    x = 51,736.05

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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.