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Finding the Fourth Proportional to 12,325.68, 18,474.18 and 4,932.27

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Solution

The fourth proportional to 12,325.68, 18,474.18 and 4,932.27 is: 7,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.68 : 18,474.18 = 4,932.27 : x
  2. Step 2: Convert to fraction form
    12,325.68/18,474.18 = 4,932.27/x
  3. Step 3: Cross multiply
    12,325.68x = 18,474.18 × 4,932.27
  4. Step 4: Simplify right side
    12,325.68x = 91,119,643.79
  5. Step 5: Solve for x
    x = 91,119,643.79/12,325.68
  6. Step 6: Final answer
    x = 7,392.67

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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.