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Finding the Fourth Proportional to 69,531.75, 95,970.42 and 41,253.84

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Solution

The fourth proportional to 69,531.75, 95,970.42 and 41,253.84 is: 56,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,531.75 : 95,970.42 = 41,253.84 : x
  2. Step 2: Convert to fraction form
    69,531.75/95,970.42 = 41,253.84/x
  3. Step 3: Cross multiply
    69,531.75x = 95,970.42 × 41,253.84
  4. Step 4: Simplify right side
    69,531.75x = 3,959,148,351.41
  5. Step 5: Solve for x
    x = 3,959,148,351.41/69,531.75
  6. Step 6: Final answer
    x = 56,940.15

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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.