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Finding the Fourth Proportional to 33,415.80, 46,091.58 and 21,494.22

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Solution

The fourth proportional to 33,415.80, 46,091.58 and 21,494.22 is: 29,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.80 : 46,091.58 = 21,494.22 : x
  2. Step 2: Convert to fraction form
    33,415.80/46,091.58 = 21,494.22/x
  3. Step 3: Cross multiply
    33,415.80x = 46,091.58 × 21,494.22
  4. Step 4: Simplify right side
    33,415.80x = 990,702,560.67
  5. Step 5: Solve for x
    x = 990,702,560.67/33,415.80
  6. Step 6: Final answer
    x = 29,647.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.