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Finding the Fourth Proportional to 8,492.96, 12,744.24 and 3,299.36

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Solution

The fourth proportional to 8,492.96, 12,744.24 and 3,299.36 is: 4,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.96 : 12,744.24 = 3,299.36 : x
  2. Step 2: Convert to fraction form
    8,492.96/12,744.24 = 3,299.36/x
  3. Step 3: Cross multiply
    8,492.96x = 12,744.24 × 3,299.36
  4. Step 4: Simplify right side
    8,492.96x = 42,047,835.69
  5. Step 5: Solve for x
    x = 42,047,835.69/8,492.96
  6. Step 6: Final answer
    x = 4,950.90

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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.