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Finding the Fourth Proportional to 8,992.22, 12,408.49 and 5,012.48

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Solution

The fourth proportional to 8,992.22, 12,408.49 and 5,012.48 is: 6,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.22 : 12,408.49 = 5,012.48 : x
  2. Step 2: Convert to fraction form
    8,992.22/12,408.49 = 5,012.48/x
  3. Step 3: Cross multiply
    8,992.22x = 12,408.49 × 5,012.48
  4. Step 4: Simplify right side
    8,992.22x = 62,197,345.24
  5. Step 5: Solve for x
    x = 62,197,345.24/8,992.22
  6. Step 6: Final answer
    x = 6,916.80

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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.