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Finding the Fourth Proportional to 33,966.78, 46,863.60 and 19,809.60

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Solution

The fourth proportional to 33,966.78, 46,863.60 and 19,809.60 is: 27,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,966.78 : 46,863.60 = 19,809.60 : x
  2. Step 2: Convert to fraction form
    33,966.78/46,863.60 = 19,809.60/x
  3. Step 3: Cross multiply
    33,966.78x = 46,863.60 × 19,809.60
  4. Step 4: Simplify right side
    33,966.78x = 928,349,170.56
  5. Step 5: Solve for x
    x = 928,349,170.56/33,966.78
  6. Step 6: Final answer
    x = 27,331.09

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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.