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Finding the Fourth Proportional to 15,902.46, 23,860.44 and 8,505

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Solution

The fourth proportional to 15,902.46, 23,860.44 and 8,505 is: 12,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.46 : 23,860.44 = 8,505 : x
  2. Step 2: Convert to fraction form
    15,902.46/23,860.44 = 8,505/x
  3. Step 3: Cross multiply
    15,902.46x = 23,860.44 × 8,505
  4. Step 4: Simplify right side
    15,902.46x = 202,933,042.20
  5. Step 5: Solve for x
    x = 202,933,042.20/15,902.46
  6. Step 6: Final answer
    x = 12,761.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.