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Finding the Fourth Proportional to 22,182.83, 30,611.81 and 12,110.88

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Solution

The fourth proportional to 22,182.83, 30,611.81 and 12,110.88 is: 16,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.83 : 30,611.81 = 12,110.88 : x
  2. Step 2: Convert to fraction form
    22,182.83/30,611.81 = 12,110.88/x
  3. Step 3: Cross multiply
    22,182.83x = 30,611.81 × 12,110.88
  4. Step 4: Simplify right side
    22,182.83x = 370,735,987.77
  5. Step 5: Solve for x
    x = 370,735,987.77/22,182.83
  6. Step 6: Final answer
    x = 16,712.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.