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Finding the Fourth Proportional to 2,339.03, 3,508.51 and 673.19

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Solution

The fourth proportional to 2,339.03, 3,508.51 and 673.19 is: 1,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.03 : 3,508.51 = 673.19 : x
  2. Step 2: Convert to fraction form
    2,339.03/3,508.51 = 673.19/x
  3. Step 3: Cross multiply
    2,339.03x = 3,508.51 × 673.19
  4. Step 4: Simplify right side
    2,339.03x = 2,361,890.48
  5. Step 5: Solve for x
    x = 2,361,890.48/2,339.03
  6. Step 6: Final answer
    x = 1,009.78

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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.