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Finding the Fourth Proportional to 12,081.93, 18,124.55 and 11,352.93

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Solution

The fourth proportional to 12,081.93, 18,124.55 and 11,352.93 is: 17,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.93 : 18,124.55 = 11,352.93 : x
  2. Step 2: Convert to fraction form
    12,081.93/18,124.55 = 11,352.93/x
  3. Step 3: Cross multiply
    12,081.93x = 18,124.55 × 11,352.93
  4. Step 4: Simplify right side
    12,081.93x = 205,766,690.67
  5. Step 5: Solve for x
    x = 205,766,690.67/12,081.93
  6. Step 6: Final answer
    x = 17,030.95

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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.