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Finding the Fourth Proportional to 18,604.14, 25,673.76 and 10,945.44

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Solution

The fourth proportional to 18,604.14, 25,673.76 and 10,945.44 is: 15,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.14 : 25,673.76 = 10,945.44 : x
  2. Step 2: Convert to fraction form
    18,604.14/25,673.76 = 10,945.44/x
  3. Step 3: Cross multiply
    18,604.14x = 25,673.76 × 10,945.44
  4. Step 4: Simplify right side
    18,604.14x = 281,010,599.65
  5. Step 5: Solve for x
    x = 281,010,599.65/18,604.14
  6. Step 6: Final answer
    x = 15,104.73

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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.