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Finding the Fourth Proportional to 8,018.46, 12,028.68 and 2,754.54

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Solution

The fourth proportional to 8,018.46, 12,028.68 and 2,754.54 is: 4,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.46 : 12,028.68 = 2,754.54 : x
  2. Step 2: Convert to fraction form
    8,018.46/12,028.68 = 2,754.54/x
  3. Step 3: Cross multiply
    8,018.46x = 12,028.68 × 2,754.54
  4. Step 4: Simplify right side
    8,018.46x = 33,133,480.21
  5. Step 5: Solve for x
    x = 33,133,480.21/8,018.46
  6. Step 6: Final answer
    x = 4,132.15

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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.