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Finding the Fourth Proportional to 22,100.32, 30,498.02 and 12,028.96

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Solution

The fourth proportional to 22,100.32, 30,498.02 and 12,028.96 is: 16,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,100.32 : 30,498.02 = 12,028.96 : x
  2. Step 2: Convert to fraction form
    22,100.32/30,498.02 = 12,028.96/x
  3. Step 3: Cross multiply
    22,100.32x = 30,498.02 × 12,028.96
  4. Step 4: Simplify right side
    22,100.32x = 366,859,314.19
  5. Step 5: Solve for x
    x = 366,859,314.19/22,100.32
  6. Step 6: Final answer
    x = 16,599.73

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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.