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Finding the Fourth Proportional to 33,608, 46,379.16 and 18,704

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Solution

The fourth proportional to 33,608, 46,379.16 and 18,704 is: 25,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,608 : 46,379.16 = 18,704 : x
  2. Step 2: Convert to fraction form
    33,608/46,379.16 = 18,704/x
  3. Step 3: Cross multiply
    33,608x = 46,379.16 × 18,704
  4. Step 4: Simplify right side
    33,608x = 867,475,808.64
  5. Step 5: Solve for x
    x = 867,475,808.64/33,608
  6. Step 6: Final answer
    x = 25,811.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.