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Finding the Fourth Proportional to 57,940.20, 86,975.10 and 44,850.60

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Solution

The fourth proportional to 57,940.20, 86,975.10 and 44,850.60 is: 67,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,940.20 : 86,975.10 = 44,850.60 : x
  2. Step 2: Convert to fraction form
    57,940.20/86,975.10 = 44,850.60/x
  3. Step 3: Cross multiply
    57,940.20x = 86,975.10 × 44,850.60
  4. Step 4: Simplify right side
    57,940.20x = 3,900,885,420.06
  5. Step 5: Solve for x
    x = 3,900,885,420.06/57,940.20
  6. Step 6: Final answer
    x = 67,326.06

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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.