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Finding the Fourth Proportional to 55,249.41, 82,879.46 and 21,962.01

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Solution

The fourth proportional to 55,249.41, 82,879.46 and 21,962.01 is: 32,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,249.41 : 82,879.46 = 21,962.01 : x
  2. Step 2: Convert to fraction form
    55,249.41/82,879.46 = 21,962.01/x
  3. Step 3: Cross multiply
    55,249.41x = 82,879.46 × 21,962.01
  4. Step 4: Simplify right side
    55,249.41x = 1,820,199,529.31
  5. Step 5: Solve for x
    x = 1,820,199,529.31/55,249.41
  6. Step 6: Final answer
    x = 32,945.14

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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.