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Finding the Fourth Proportional to 54,649.46, 81,976.62 and 26,592.68

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Solution

The fourth proportional to 54,649.46, 81,976.62 and 26,592.68 is: 39,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,649.46 : 81,976.62 = 26,592.68 : x
  2. Step 2: Convert to fraction form
    54,649.46/81,976.62 = 26,592.68/x
  3. Step 3: Cross multiply
    54,649.46x = 81,976.62 × 26,592.68
  4. Step 4: Simplify right side
    54,649.46x = 2,179,978,023.14
  5. Step 5: Solve for x
    x = 2,179,978,023.14/54,649.46
  6. Step 6: Final answer
    x = 39,890.20

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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.