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Finding the Fourth Proportional to 33,879, 46,751.54 and 18,771.64

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Solution

The fourth proportional to 33,879, 46,751.54 and 18,771.64 is: 25,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,879 : 46,751.54 = 18,771.64 : x
  2. Step 2: Convert to fraction form
    33,879/46,751.54 = 18,771.64/x
  3. Step 3: Cross multiply
    33,879x = 46,751.54 × 18,771.64
  4. Step 4: Simplify right side
    33,879x = 877,603,078.33
  5. Step 5: Solve for x
    x = 877,603,078.33/33,879
  6. Step 6: Final answer
    x = 25,904.04

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1.5x scale

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.