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Finding the Fourth Proportional to 28,846, 43,231.72 and 14,794.36

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Solution

The fourth proportional to 28,846, 43,231.72 and 14,794.36 is: 22,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846 : 43,231.72 = 14,794.36 : x
  2. Step 2: Convert to fraction form
    28,846/43,231.72 = 14,794.36/x
  3. Step 3: Cross multiply
    28,846x = 43,231.72 × 14,794.36
  4. Step 4: Simplify right side
    28,846x = 639,585,629.10
  5. Step 5: Solve for x
    x = 639,585,629.10/28,846
  6. Step 6: Final answer
    x = 22,172.42

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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.