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Finding the Fourth Proportional to 12,054.34, 18,093.19 and 5,818.74

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Solution

The fourth proportional to 12,054.34, 18,093.19 and 5,818.74 is: 8,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.34 : 18,093.19 = 5,818.74 : x
  2. Step 2: Convert to fraction form
    12,054.34/18,093.19 = 5,818.74/x
  3. Step 3: Cross multiply
    12,054.34x = 18,093.19 × 5,818.74
  4. Step 4: Simplify right side
    12,054.34x = 105,279,568.38
  5. Step 5: Solve for x
    x = 105,279,568.38/12,054.34
  6. Step 6: Final answer
    x = 8,733.75

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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.