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Finding the Fourth Proportional to 18,694.14, 28,043.37 and 4,844.22

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Solution

The fourth proportional to 18,694.14, 28,043.37 and 4,844.22 is: 7,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.14 : 28,043.37 = 4,844.22 : x
  2. Step 2: Convert to fraction form
    18,694.14/28,043.37 = 4,844.22/x
  3. Step 3: Cross multiply
    18,694.14x = 28,043.37 × 4,844.22
  4. Step 4: Simplify right side
    18,694.14x = 135,848,253.82
  5. Step 5: Solve for x
    x = 135,848,253.82/18,694.14
  6. Step 6: Final answer
    x = 7,266.89

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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.