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Finding the Fourth Proportional to 33,855.51, 46,720.49 and 18,951.51

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Solution

The fourth proportional to 33,855.51, 46,720.49 and 18,951.51 is: 26,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,855.51 : 46,720.49 = 18,951.51 : x
  2. Step 2: Convert to fraction form
    33,855.51/46,720.49 = 18,951.51/x
  3. Step 3: Cross multiply
    33,855.51x = 46,720.49 × 18,951.51
  4. Step 4: Simplify right side
    33,855.51x = 885,423,738.68
  5. Step 5: Solve for x
    x = 885,423,738.68/33,855.51
  6. Step 6: Final answer
    x = 26,153.02

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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.