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Finding the Fourth Proportional to 12,492.27, 18,749.34 and 6,951.87

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Solution

The fourth proportional to 12,492.27, 18,749.34 and 6,951.87 is: 10,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.27 : 18,749.34 = 6,951.87 : x
  2. Step 2: Convert to fraction form
    12,492.27/18,749.34 = 6,951.87/x
  3. Step 3: Cross multiply
    12,492.27x = 18,749.34 × 6,951.87
  4. Step 4: Simplify right side
    12,492.27x = 130,342,974.27
  5. Step 5: Solve for x
    x = 130,342,974.27/12,492.27
  6. Step 6: Final answer
    x = 10,433.89

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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.