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Finding the Fourth Proportional to 1,033.26, 1,548.48 and 667.86

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Solution

The fourth proportional to 1,033.26, 1,548.48 and 667.86 is: 1,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.26 : 1,548.48 = 667.86 : x
  2. Step 2: Convert to fraction form
    1,033.26/1,548.48 = 667.86/x
  3. Step 3: Cross multiply
    1,033.26x = 1,548.48 × 667.86
  4. Step 4: Simplify right side
    1,033.26x = 1,034,167.85
  5. Step 5: Solve for x
    x = 1,034,167.85/1,033.26
  6. Step 6: Final answer
    x = 1,000.88

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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.