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Finding the Fourth Proportional to 19,504.62, 29,286.09 and 18,824.22

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Solution

The fourth proportional to 19,504.62, 29,286.09 and 18,824.22 is: 28,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.62 : 29,286.09 = 18,824.22 : x
  2. Step 2: Convert to fraction form
    19,504.62/29,286.09 = 18,824.22/x
  3. Step 3: Cross multiply
    19,504.62x = 29,286.09 × 18,824.22
  4. Step 4: Simplify right side
    19,504.62x = 551,287,801.10
  5. Step 5: Solve for x
    x = 551,287,801.10/19,504.62
  6. Step 6: Final answer
    x = 28,264.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.