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Finding the Fourth Proportional to 11,245.61, 16,897.11 and 8,498.19

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Solution

The fourth proportional to 11,245.61, 16,897.11 and 8,498.19 is: 12,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.61 : 16,897.11 = 8,498.19 : x
  2. Step 2: Convert to fraction form
    11,245.61/16,897.11 = 8,498.19/x
  3. Step 3: Cross multiply
    11,245.61x = 16,897.11 × 8,498.19
  4. Step 4: Simplify right side
    11,245.61x = 143,594,819.73
  5. Step 5: Solve for x
    x = 143,594,819.73/11,245.61
  6. Step 6: Final answer
    x = 12,768.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.