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Finding the Fourth Proportional to 735.48, 1,101.24 and 673.02

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Solution

The fourth proportional to 735.48, 1,101.24 and 673.02 is: 1,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.48 : 1,101.24 = 673.02 : x
  2. Step 2: Convert to fraction form
    735.48/1,101.24 = 673.02/x
  3. Step 3: Cross multiply
    735.48x = 1,101.24 × 673.02
  4. Step 4: Simplify right side
    735.48x = 741,156.54
  5. Step 5: Solve for x
    x = 741,156.54/735.48
  6. Step 6: Final answer
    x = 1,007.72

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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.