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Finding the Fourth Proportional to 33,855.25, 46,720.29 and 18,951.25

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Solution

The fourth proportional to 33,855.25, 46,720.29 and 18,951.25 is: 26,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,855.25 : 46,720.29 = 18,951.25 : x
  2. Step 2: Convert to fraction form
    33,855.25/46,720.29 = 18,951.25/x
  3. Step 3: Cross multiply
    33,855.25x = 46,720.29 × 18,951.25
  4. Step 4: Simplify right side
    33,855.25x = 885,407,895.86
  5. Step 5: Solve for x
    x = 885,407,895.86/33,855.25
  6. Step 6: Final answer
    x = 26,152.75

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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.