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Finding the Fourth Proportional to 33,879.99, 46,753.12 and 19,540.42

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Solution

The fourth proportional to 33,879.99, 46,753.12 and 19,540.42 is: 26,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,879.99 : 46,753.12 = 19,540.42 : x
  2. Step 2: Convert to fraction form
    33,879.99/46,753.12 = 19,540.42/x
  3. Step 3: Cross multiply
    33,879.99x = 46,753.12 × 19,540.42
  4. Step 4: Simplify right side
    33,879.99x = 913,575,435.38
  5. Step 5: Solve for x
    x = 913,575,435.38/33,879.99
  6. Step 6: Final answer
    x = 26,965.04

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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.