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Finding the Fourth Proportional to 33,540.99, 46,265.98 and 19,919.78

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Solution

The fourth proportional to 33,540.99, 46,265.98 and 19,919.78 is: 27,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,540.99 : 46,265.98 = 19,919.78 : x
  2. Step 2: Convert to fraction form
    33,540.99/46,265.98 = 19,919.78/x
  3. Step 3: Cross multiply
    33,540.99x = 46,265.98 × 19,919.78
  4. Step 4: Simplify right side
    33,540.99x = 921,608,143.08
  5. Step 5: Solve for x
    x = 921,608,143.08/33,540.99
  6. Step 6: Final answer
    x = 27,477.07

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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.