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Finding the Fourth Proportional to 57,496.99, 86,249.14 and 18,055.66

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Solution

The fourth proportional to 57,496.99, 86,249.14 and 18,055.66 is: 27,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,496.99 : 86,249.14 = 18,055.66 : x
  2. Step 2: Convert to fraction form
    57,496.99/86,249.14 = 18,055.66/x
  3. Step 3: Cross multiply
    57,496.99x = 86,249.14 × 18,055.66
  4. Step 4: Simplify right side
    57,496.99x = 1,557,285,048.09
  5. Step 5: Solve for x
    x = 1,557,285,048.09/57,496.99
  6. Step 6: Final answer
    x = 27,084.64

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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.