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Finding the Fourth Proportional to 8,993.39, 13,481.37 and 3,442.46

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Solution

The fourth proportional to 8,993.39, 13,481.37 and 3,442.46 is: 5,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.39 : 13,481.37 = 3,442.46 : x
  2. Step 2: Convert to fraction form
    8,993.39/13,481.37 = 3,442.46/x
  3. Step 3: Cross multiply
    8,993.39x = 13,481.37 × 3,442.46
  4. Step 4: Simplify right side
    8,993.39x = 46,409,009.56
  5. Step 5: Solve for x
    x = 46,409,009.56/8,993.39
  6. Step 6: Final answer
    x = 5,160.35

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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.