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Finding the Fourth Proportional to 18,372.46, 27,554.54 and 5,224.54

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Solution

The fourth proportional to 18,372.46, 27,554.54 and 5,224.54 is: 7,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.46 : 27,554.54 = 5,224.54 : x
  2. Step 2: Convert to fraction form
    18,372.46/27,554.54 = 5,224.54/x
  3. Step 3: Cross multiply
    18,372.46x = 27,554.54 × 5,224.54
  4. Step 4: Simplify right side
    18,372.46x = 143,959,796.41
  5. Step 5: Solve for x
    x = 143,959,796.41/18,372.46
  6. Step 6: Final answer
    x = 7,835.63

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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.