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Finding the Fourth Proportional to 33,405.66, 46,092.78 and 19,974.78

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Solution

The fourth proportional to 33,405.66, 46,092.78 and 19,974.78 is: 27,560.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,405.66 : 46,092.78 = 19,974.78 : x
  2. Step 2: Convert to fraction form
    33,405.66/46,092.78 = 19,974.78/x
  3. Step 3: Cross multiply
    33,405.66x = 46,092.78 × 19,974.78
  4. Step 4: Simplify right side
    33,405.66x = 920,693,140.09
  5. Step 5: Solve for x
    x = 920,693,140.09/33,405.66
  6. Step 6: Final answer
    x = 27,560.99

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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.