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Finding the Fourth Proportional to 33,705, 46,512.90 and 18,801

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Solution

The fourth proportional to 33,705, 46,512.90 and 18,801 is: 25,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,705 : 46,512.90 = 18,801 : x
  2. Step 2: Convert to fraction form
    33,705/46,512.90 = 18,801/x
  3. Step 3: Cross multiply
    33,705x = 46,512.90 × 18,801
  4. Step 4: Simplify right side
    33,705x = 874,489,032.90
  5. Step 5: Solve for x
    x = 874,489,032.90/33,705
  6. Step 6: Final answer
    x = 25,945.38

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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.