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Finding the Fourth Proportional to 2,324.35, 3,487.07 and 680.93

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Solution

The fourth proportional to 2,324.35, 3,487.07 and 680.93 is: 1,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.35 : 3,487.07 = 680.93 : x
  2. Step 2: Convert to fraction form
    2,324.35/3,487.07 = 680.93/x
  3. Step 3: Cross multiply
    2,324.35x = 3,487.07 × 680.93
  4. Step 4: Simplify right side
    2,324.35x = 2,374,450.58
  5. Step 5: Solve for x
    x = 2,374,450.58/2,324.35
  6. Step 6: Final answer
    x = 1,021.55

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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.