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Finding the Fourth Proportional to 18,048.30, 27,072.44 and 8,806.38

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Solution

The fourth proportional to 18,048.30, 27,072.44 and 8,806.38 is: 13,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.30 : 27,072.44 = 8,806.38 : x
  2. Step 2: Convert to fraction form
    18,048.30/27,072.44 = 8,806.38/x
  3. Step 3: Cross multiply
    18,048.30x = 27,072.44 × 8,806.38
  4. Step 4: Simplify right side
    18,048.30x = 238,410,194.17
  5. Step 5: Solve for x
    x = 238,410,194.17/18,048.30
  6. Step 6: Final answer
    x = 13,209.57

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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.