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Finding the Fourth Proportional to 54,855.48, 82,233.96 and 19,786.93

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Solution

The fourth proportional to 54,855.48, 82,233.96 and 19,786.93 is: 29,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,855.48 : 82,233.96 = 19,786.93 : x
  2. Step 2: Convert to fraction form
    54,855.48/82,233.96 = 19,786.93/x
  3. Step 3: Cross multiply
    54,855.48x = 82,233.96 × 19,786.93
  4. Step 4: Simplify right side
    54,855.48x = 1,627,157,610.14
  5. Step 5: Solve for x
    x = 1,627,157,610.14/54,855.48
  6. Step 6: Final answer
    x = 29,662.63

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1.5x scale

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.