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Finding the Fourth Proportional to 69,380, 95,744.22 and 37,548.89

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Solution

The fourth proportional to 69,380, 95,744.22 and 37,548.89 is: 51,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380 : 95,744.22 = 37,548.89 : x
  2. Step 2: Convert to fraction form
    69,380/95,744.22 = 37,548.89/x
  3. Step 3: Cross multiply
    69,380x = 95,744.22 × 37,548.89
  4. Step 4: Simplify right side
    69,380x = 3,595,089,184.92
  5. Step 5: Solve for x
    x = 3,595,089,184.92/69,380
  6. Step 6: Final answer
    x = 51,817.37

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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.