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Finding the Fourth Proportional to 23,220.21, 34,808.88 and 8,425.56

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Solution

The fourth proportional to 23,220.21, 34,808.88 and 8,425.56 is: 12,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.21 : 34,808.88 = 8,425.56 : x
  2. Step 2: Convert to fraction form
    23,220.21/34,808.88 = 8,425.56/x
  3. Step 3: Cross multiply
    23,220.21x = 34,808.88 × 8,425.56
  4. Step 4: Simplify right side
    23,220.21x = 293,284,306.97
  5. Step 5: Solve for x
    x = 293,284,306.97/23,220.21
  6. Step 6: Final answer
    x = 12,630.56

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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.