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Finding the Fourth Proportional to 25,950.80, 38,906.57 and 10,962.56

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Solution

The fourth proportional to 25,950.80, 38,906.57 and 10,962.56 is: 16,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,950.80 : 38,906.57 = 10,962.56 : x
  2. Step 2: Convert to fraction form
    25,950.80/38,906.57 = 10,962.56/x
  3. Step 3: Cross multiply
    25,950.80x = 38,906.57 × 10,962.56
  4. Step 4: Simplify right side
    25,950.80x = 426,515,358.67
  5. Step 5: Solve for x
    x = 426,515,358.67/25,950.80
  6. Step 6: Final answer
    x = 16,435.54

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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.