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Finding the Fourth Proportional to 18,627.48, 27,942.24 and 7,532.52

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Solution

The fourth proportional to 18,627.48, 27,942.24 and 7,532.52 is: 11,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.48 : 27,942.24 = 7,532.52 : x
  2. Step 2: Convert to fraction form
    18,627.48/27,942.24 = 7,532.52/x
  3. Step 3: Cross multiply
    18,627.48x = 27,942.24 × 7,532.52
  4. Step 4: Simplify right side
    18,627.48x = 210,475,481.64
  5. Step 5: Solve for x
    x = 210,475,481.64/18,627.48
  6. Step 6: Final answer
    x = 11,299.19

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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.