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Finding the Fourth Proportional to 30,168.84, 41,634.08 and 22,601.80

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Solution

The fourth proportional to 30,168.84, 41,634.08 and 22,601.80 is: 31,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.84 : 41,634.08 = 22,601.80 : x
  2. Step 2: Convert to fraction form
    30,168.84/41,634.08 = 22,601.80/x
  3. Step 3: Cross multiply
    30,168.84x = 41,634.08 × 22,601.80
  4. Step 4: Simplify right side
    30,168.84x = 941,005,149.34
  5. Step 5: Solve for x
    x = 941,005,149.34/30,168.84
  6. Step 6: Final answer
    x = 31,191.29

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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.