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Finding the Fourth Proportional to 51,188.74, 76,783.10 and 33,736.48

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Solution

The fourth proportional to 51,188.74, 76,783.10 and 33,736.48 is: 50,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.74 : 76,783.10 = 33,736.48 : x
  2. Step 2: Convert to fraction form
    51,188.74/76,783.10 = 33,736.48/x
  3. Step 3: Cross multiply
    51,188.74x = 76,783.10 × 33,736.48
  4. Step 4: Simplify right side
    51,188.74x = 2,590,391,517.49
  5. Step 5: Solve for x
    x = 2,590,391,517.49/51,188.74
  6. Step 6: Final answer
    x = 50,604.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.