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Finding the Fourth Proportional to 23,245.30, 34,882.80 and 8,452.90

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Solution

The fourth proportional to 23,245.30, 34,882.80 and 8,452.90 is: 12,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,245.30 : 34,882.80 = 8,452.90 : x
  2. Step 2: Convert to fraction form
    23,245.30/34,882.80 = 8,452.90/x
  3. Step 3: Cross multiply
    23,245.30x = 34,882.80 × 8,452.90
  4. Step 4: Simplify right side
    23,245.30x = 294,860,820.12
  5. Step 5: Solve for x
    x = 294,860,820.12/23,245.30
  6. Step 6: Final answer
    x = 12,684.75

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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.