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Finding the Fourth Proportional to 58,399.80, 80,591.76 and 33,249.28

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Solution

The fourth proportional to 58,399.80, 80,591.76 and 33,249.28 is: 45,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,399.80 : 80,591.76 = 33,249.28 : x
  2. Step 2: Convert to fraction form
    58,399.80/80,591.76 = 33,249.28/x
  3. Step 3: Cross multiply
    58,399.80x = 80,591.76 × 33,249.28
  4. Step 4: Simplify right side
    58,399.80x = 2,679,617,993.93
  5. Step 5: Solve for x
    x = 2,679,617,993.93/58,399.80
  6. Step 6: Final answer
    x = 45,884.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.