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Finding the Fourth Proportional to 2,960.88, 4,437 and 2,020.56

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Solution

The fourth proportional to 2,960.88, 4,437 and 2,020.56 is: 3,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.88 : 4,437 = 2,020.56 : x
  2. Step 2: Convert to fraction form
    2,960.88/4,437 = 2,020.56/x
  3. Step 3: Cross multiply
    2,960.88x = 4,437 × 2,020.56
  4. Step 4: Simplify right side
    2,960.88x = 8,965,224.72
  5. Step 5: Solve for x
    x = 8,965,224.72/2,960.88
  6. Step 6: Final answer
    x = 3,027.89

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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.