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Finding the Fourth Proportional to 18,274.60, 27,414.60 and 5,795.80

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Solution

The fourth proportional to 18,274.60, 27,414.60 and 5,795.80 is: 8,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.60 : 27,414.60 = 5,795.80 : x
  2. Step 2: Convert to fraction form
    18,274.60/27,414.60 = 5,795.80/x
  3. Step 3: Cross multiply
    18,274.60x = 27,414.60 × 5,795.80
  4. Step 4: Simplify right side
    18,274.60x = 158,889,538.68
  5. Step 5: Solve for x
    x = 158,889,538.68/18,274.60
  6. Step 6: Final answer
    x = 8,694.56

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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.