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Finding the Fourth Proportional to 69,405.75, 95,780.43 and 37,574.73

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Solution

The fourth proportional to 69,405.75, 95,780.43 and 37,574.73 is: 51,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,405.75 : 95,780.43 = 37,574.73 : x
  2. Step 2: Convert to fraction form
    69,405.75/95,780.43 = 37,574.73/x
  3. Step 3: Cross multiply
    69,405.75x = 95,780.43 × 37,574.73
  4. Step 4: Simplify right side
    69,405.75x = 3,598,923,796.53
  5. Step 5: Solve for x
    x = 3,598,923,796.53/69,405.75
  6. Step 6: Final answer
    x = 51,853.40

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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.