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Finding the Fourth Proportional to 68,762.60, 103,028.70 and 33,626.60

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Solution

The fourth proportional to 68,762.60, 103,028.70 and 33,626.60 is: 50,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,762.60 : 103,028.70 = 33,626.60 : x
  2. Step 2: Convert to fraction form
    68,762.60/103,028.70 = 33,626.60/x
  3. Step 3: Cross multiply
    68,762.60x = 103,028.70 × 33,626.60
  4. Step 4: Simplify right side
    68,762.60x = 3,464,504,883.42
  5. Step 5: Solve for x
    x = 3,464,504,883.42/68,762.60
  6. Step 6: Final answer
    x = 50,383.56

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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.