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Finding the Fourth Proportional to 56,651.00, 84,976.70 and 25,449.80

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Solution

The fourth proportional to 56,651.00, 84,976.70 and 25,449.80 is: 38,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,651.00 : 84,976.70 = 25,449.80 : x
  2. Step 2: Convert to fraction form
    56,651.00/84,976.70 = 25,449.80/x
  3. Step 3: Cross multiply
    56,651.00x = 84,976.70 × 25,449.80
  4. Step 4: Simplify right side
    56,651.00x = 2,162,639,467.53
  5. Step 5: Solve for x
    x = 2,162,639,467.53/56,651.00
  6. Step 6: Final answer
    x = 38,174.78

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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.