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Finding the Fourth Proportional to 968.69, 1,450.91 and 892.82

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Solution

The fourth proportional to 968.69, 1,450.91 and 892.82 is: 1,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.69 : 1,450.91 = 892.82 : x
  2. Step 2: Convert to fraction form
    968.69/1,450.91 = 892.82/x
  3. Step 3: Cross multiply
    968.69x = 1,450.91 × 892.82
  4. Step 4: Simplify right side
    968.69x = 1,295,407.33
  5. Step 5: Solve for x
    x = 1,295,407.33/968.69
  6. Step 6: Final answer
    x = 1,337.27

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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.