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Finding the Fourth Proportional to 18,562.44, 27,849.87 and 12,346.98

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Solution

The fourth proportional to 18,562.44, 27,849.87 and 12,346.98 is: 18,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.44 : 27,849.87 = 12,346.98 : x
  2. Step 2: Convert to fraction form
    18,562.44/27,849.87 = 12,346.98/x
  3. Step 3: Cross multiply
    18,562.44x = 27,849.87 × 12,346.98
  4. Step 4: Simplify right side
    18,562.44x = 343,861,787.89
  5. Step 5: Solve for x
    x = 343,861,787.89/18,562.44
  6. Step 6: Final answer
    x = 18,524.60

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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.