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Finding the Fourth Proportional to 33,851.75, 46,715.46 and 18,947.75

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Solution

The fourth proportional to 33,851.75, 46,715.46 and 18,947.75 is: 26,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,851.75 : 46,715.46 = 18,947.75 : x
  2. Step 2: Convert to fraction form
    33,851.75/46,715.46 = 18,947.75/x
  3. Step 3: Cross multiply
    33,851.75x = 46,715.46 × 18,947.75
  4. Step 4: Simplify right side
    33,851.75x = 885,152,857.22
  5. Step 5: Solve for x
    x = 885,152,857.22/33,851.75
  6. Step 6: Final answer
    x = 26,147.92

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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.