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Finding the Fourth Proportional to 33,789.60, 46,630.08 and 18,682.08

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Solution

The fourth proportional to 33,789.60, 46,630.08 and 18,682.08 is: 25,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,789.60 : 46,630.08 = 18,682.08 : x
  2. Step 2: Convert to fraction form
    33,789.60/46,630.08 = 18,682.08/x
  3. Step 3: Cross multiply
    33,789.60x = 46,630.08 × 18,682.08
  4. Step 4: Simplify right side
    33,789.60x = 871,146,884.97
  5. Step 5: Solve for x
    x = 871,146,884.97/33,789.60
  6. Step 6: Final answer
    x = 25,781.51

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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.