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Finding the Fourth Proportional to 5,968.91, 8,954.31 and 2,020.56

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Solution

The fourth proportional to 5,968.91, 8,954.31 and 2,020.56 is: 3,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,968.91 : 8,954.31 = 2,020.56 : x
  2. Step 2: Convert to fraction form
    5,968.91/8,954.31 = 2,020.56/x
  3. Step 3: Cross multiply
    5,968.91x = 8,954.31 × 2,020.56
  4. Step 4: Simplify right side
    5,968.91x = 18,092,720.61
  5. Step 5: Solve for x
    x = 18,092,720.61/5,968.91
  6. Step 6: Final answer
    x = 3,031.16

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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.