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Finding the Fourth Proportional to 3,096.82, 4,642.50 and 1,147.66

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Solution

The fourth proportional to 3,096.82, 4,642.50 and 1,147.66 is: 1,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.82 : 4,642.50 = 1,147.66 : x
  2. Step 2: Convert to fraction form
    3,096.82/4,642.50 = 1,147.66/x
  3. Step 3: Cross multiply
    3,096.82x = 4,642.50 × 1,147.66
  4. Step 4: Simplify right side
    3,096.82x = 5,328,011.55
  5. Step 5: Solve for x
    x = 5,328,011.55/3,096.82
  6. Step 6: Final answer
    x = 1,720.48

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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.