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Finding the Fourth Proportional to 12,951, 17,872.38 and 7,363.08

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Solution

The fourth proportional to 12,951, 17,872.38 and 7,363.08 is: 10,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951 : 17,872.38 = 7,363.08 : x
  2. Step 2: Convert to fraction form
    12,951/17,872.38 = 7,363.08/x
  3. Step 3: Cross multiply
    12,951x = 17,872.38 × 7,363.08
  4. Step 4: Simplify right side
    12,951x = 131,595,763.73
  5. Step 5: Solve for x
    x = 131,595,763.73/12,951
  6. Step 6: Final answer
    x = 10,161.05

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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.