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Finding the Fourth Proportional to 11,640.46, 17,453.04 and 4,243.54

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Solution

The fourth proportional to 11,640.46, 17,453.04 and 4,243.54 is: 6,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.46 : 17,453.04 = 4,243.54 : x
  2. Step 2: Convert to fraction form
    11,640.46/17,453.04 = 4,243.54/x
  3. Step 3: Cross multiply
    11,640.46x = 17,453.04 × 4,243.54
  4. Step 4: Simplify right side
    11,640.46x = 74,062,673.36
  5. Step 5: Solve for x
    x = 74,062,673.36/11,640.46
  6. Step 6: Final answer
    x = 6,362.52

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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.