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Finding the Fourth Proportional to 67,770.80, 93,524.24 and 37,556.64

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Solution

The fourth proportional to 67,770.80, 93,524.24 and 37,556.64 is: 51,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,770.80 : 93,524.24 = 37,556.64 : x
  2. Step 2: Convert to fraction form
    67,770.80/93,524.24 = 37,556.64/x
  3. Step 3: Cross multiply
    67,770.80x = 93,524.24 × 37,556.64
  4. Step 4: Simplify right side
    67,770.80x = 3,512,456,212.95
  5. Step 5: Solve for x
    x = 3,512,456,212.95/67,770.80
  6. Step 6: Final answer
    x = 51,828.46

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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.