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Finding the Fourth Proportional to 57,556.54, 86,312.12 and 27,965.62

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Solution

The fourth proportional to 57,556.54, 86,312.12 and 27,965.62 is: 41,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,556.54 : 86,312.12 = 27,965.62 : x
  2. Step 2: Convert to fraction form
    57,556.54/86,312.12 = 27,965.62/x
  3. Step 3: Cross multiply
    57,556.54x = 86,312.12 × 27,965.62
  4. Step 4: Simplify right side
    57,556.54x = 2,413,771,949.31
  5. Step 5: Solve for x
    x = 2,413,771,949.31/57,556.54
  6. Step 6: Final answer
    x = 41,937.41

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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.