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Finding the Fourth Proportional to 23,012.21, 34,518.63 and 8,222.01

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Solution

The fourth proportional to 23,012.21, 34,518.63 and 8,222.01 is: 12,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,012.21 : 34,518.63 = 8,222.01 : x
  2. Step 2: Convert to fraction form
    23,012.21/34,518.63 = 8,222.01/x
  3. Step 3: Cross multiply
    23,012.21x = 34,518.63 × 8,222.01
  4. Step 4: Simplify right side
    23,012.21x = 283,812,521.05
  5. Step 5: Solve for x
    x = 283,812,521.05/23,012.21
  6. Step 6: Final answer
    x = 12,333.13

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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.