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Finding the Fourth Proportional to 33,385.68, 46,071.84 and 18,481.68

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Solution

The fourth proportional to 33,385.68, 46,071.84 and 18,481.68 is: 25,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,385.68 : 46,071.84 = 18,481.68 : x
  2. Step 2: Convert to fraction form
    33,385.68/46,071.84 = 18,481.68/x
  3. Step 3: Cross multiply
    33,385.68x = 46,071.84 × 18,481.68
  4. Step 4: Simplify right side
    33,385.68x = 851,485,003.89
  5. Step 5: Solve for x
    x = 851,485,003.89/33,385.68
  6. Step 6: Final answer
    x = 25,504.50

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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.