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Finding the Fourth Proportional to 12,462.96, 18,696.99 and 5,067.41

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Solution

The fourth proportional to 12,462.96, 18,696.99 and 5,067.41 is: 7,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.96 : 18,696.99 = 5,067.41 : x
  2. Step 2: Convert to fraction form
    12,462.96/18,696.99 = 5,067.41/x
  3. Step 3: Cross multiply
    12,462.96x = 18,696.99 × 5,067.41
  4. Step 4: Simplify right side
    12,462.96x = 94,745,220.61
  5. Step 5: Solve for x
    x = 94,745,220.61/12,462.96
  6. Step 6: Final answer
    x = 7,602.14

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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.