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Finding the Fourth Proportional to 68,783.37, 94,937.93 and 41,940.68

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Solution

The fourth proportional to 68,783.37, 94,937.93 and 41,940.68 is: 57,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,783.37 : 94,937.93 = 41,940.68 : x
  2. Step 2: Convert to fraction form
    68,783.37/94,937.93 = 41,940.68/x
  3. Step 3: Cross multiply
    68,783.37x = 94,937.93 × 41,940.68
  4. Step 4: Simplify right side
    68,783.37x = 3,981,760,657.60
  5. Step 5: Solve for x
    x = 3,981,760,657.60/68,783.37
  6. Step 6: Final answer
    x = 57,888.42

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1.5x scale

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.