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Finding the Fourth Proportional to 12,662.52, 18,996.01 and 4,870.73

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Solution

The fourth proportional to 12,662.52, 18,996.01 and 4,870.73 is: 7,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662.52 : 18,996.01 = 4,870.73 : x
  2. Step 2: Convert to fraction form
    12,662.52/18,996.01 = 4,870.73/x
  3. Step 3: Cross multiply
    12,662.52x = 18,996.01 × 4,870.73
  4. Step 4: Simplify right side
    12,662.52x = 92,524,340.81
  5. Step 5: Solve for x
    x = 92,524,340.81/12,662.52
  6. Step 6: Final answer
    x = 7,306.95

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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.