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Finding the Fourth Proportional to 12,362.91, 18,545.21 and 4,967.36

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Solution

The fourth proportional to 12,362.91, 18,545.21 and 4,967.36 is: 7,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.91 : 18,545.21 = 4,967.36 : x
  2. Step 2: Convert to fraction form
    12,362.91/18,545.21 = 4,967.36/x
  3. Step 3: Cross multiply
    12,362.91x = 18,545.21 × 4,967.36
  4. Step 4: Simplify right side
    12,362.91x = 92,120,732.90
  5. Step 5: Solve for x
    x = 92,120,732.90/12,362.91
  6. Step 6: Final answer
    x = 7,451.38

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