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Finding the Fourth Proportional to 33,908.60, 46,789.47 and 18,801.11

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Solution

The fourth proportional to 33,908.60, 46,789.47 and 18,801.11 is: 25,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,908.60 : 46,789.47 = 18,801.11 : x
  2. Step 2: Convert to fraction form
    33,908.60/46,789.47 = 18,801.11/x
  3. Step 3: Cross multiply
    33,908.60x = 46,789.47 × 18,801.11
  4. Step 4: Simplify right side
    33,908.60x = 879,693,738.36
  5. Step 5: Solve for x
    x = 879,693,738.36/33,908.60
  6. Step 6: Final answer
    x = 25,943.09

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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.