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Finding the Fourth Proportional to 8,592.73, 12,892.29 and 2,749.80

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Solution

The fourth proportional to 8,592.73, 12,892.29 and 2,749.80 is: 4,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.73 : 12,892.29 = 2,749.80 : x
  2. Step 2: Convert to fraction form
    8,592.73/12,892.29 = 2,749.80/x
  3. Step 3: Cross multiply
    8,592.73x = 12,892.29 × 2,749.80
  4. Step 4: Simplify right side
    8,592.73x = 35,451,219.04
  5. Step 5: Solve for x
    x = 35,451,219.04/8,592.73
  6. Step 6: Final answer
    x = 4,125.72

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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.