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Finding the Fourth Proportional to 8,492.73, 12,744.06 and 3,561.94

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Solution

The fourth proportional to 8,492.73, 12,744.06 and 3,561.94 is: 5,344.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.73 : 12,744.06 = 3,561.94 : x
  2. Step 2: Convert to fraction form
    8,492.73/12,744.06 = 3,561.94/x
  3. Step 3: Cross multiply
    8,492.73x = 12,744.06 × 3,561.94
  4. Step 4: Simplify right side
    8,492.73x = 45,393,577.08
  5. Step 5: Solve for x
    x = 45,393,577.08/8,492.73
  6. Step 6: Final answer
    x = 5,344.99

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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.