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Finding the Fourth Proportional to 2,014.56, 3,021.43 and 627.67

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Solution

The fourth proportional to 2,014.56, 3,021.43 and 627.67 is: 941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.56 : 3,021.43 = 627.67 : x
  2. Step 2: Convert to fraction form
    2,014.56/3,021.43 = 627.67/x
  3. Step 3: Cross multiply
    2,014.56x = 3,021.43 × 627.67
  4. Step 4: Simplify right side
    2,014.56x = 1,896,460.97
  5. Step 5: Solve for x
    x = 1,896,460.97/2,014.56
  6. Step 6: Final answer
    x = 941.38

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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.