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Finding the Fourth Proportional to 18,049.41, 27,048.45 and 8,551.60

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Solution

The fourth proportional to 18,049.41, 27,048.45 and 8,551.60 is: 12,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.41 : 27,048.45 = 8,551.60 : x
  2. Step 2: Convert to fraction form
    18,049.41/27,048.45 = 8,551.60/x
  3. Step 3: Cross multiply
    18,049.41x = 27,048.45 × 8,551.60
  4. Step 4: Simplify right side
    18,049.41x = 231,307,631.55
  5. Step 5: Solve for x
    x = 231,307,631.55/18,049.41
  6. Step 6: Final answer
    x = 12,815.25

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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.