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Finding the Fourth Proportional to 57,747.92, 79,713.32 and 33,894.60

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Solution

The fourth proportional to 57,747.92, 79,713.32 and 33,894.60 is: 46,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.92 : 79,713.32 = 33,894.60 : x
  2. Step 2: Convert to fraction form
    57,747.92/79,713.32 = 33,894.60/x
  3. Step 3: Cross multiply
    57,747.92x = 79,713.32 × 33,894.60
  4. Step 4: Simplify right side
    57,747.92x = 2,701,851,096.07
  5. Step 5: Solve for x
    x = 2,701,851,096.07/57,747.92
  6. Step 6: Final answer
    x = 46,786.99

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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.