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Finding the Fourth Proportional to 22,182.16, 30,611.06 and 12,110.62

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Solution

The fourth proportional to 22,182.16, 30,611.06 and 12,110.62 is: 16,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.16 : 30,611.06 = 12,110.62 : x
  2. Step 2: Convert to fraction form
    22,182.16/30,611.06 = 12,110.62/x
  3. Step 3: Cross multiply
    22,182.16x = 30,611.06 × 12,110.62
  4. Step 4: Simplify right side
    22,182.16x = 370,718,915.46
  5. Step 5: Solve for x
    x = 370,718,915.46/22,182.16
  6. Step 6: Final answer
    x = 16,712.48

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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.