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Finding the Fourth Proportional to 57,992.33, 86,813.42 and 52,448.28

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Solution

The fourth proportional to 57,992.33, 86,813.42 and 52,448.28 is: 78,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,992.33 : 86,813.42 = 52,448.28 : x
  2. Step 2: Convert to fraction form
    57,992.33/86,813.42 = 52,448.28/x
  3. Step 3: Cross multiply
    57,992.33x = 86,813.42 × 52,448.28
  4. Step 4: Simplify right side
    57,992.33x = 4,553,214,297.68
  5. Step 5: Solve for x
    x = 4,553,214,297.68/57,992.33
  6. Step 6: Final answer
    x = 78,514.08

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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.