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Finding the Fourth Proportional to 56,997, 85,497.24 and 19,556.54

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Solution

The fourth proportional to 56,997, 85,497.24 and 19,556.54 is: 29,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997 : 85,497.24 = 19,556.54 : x
  2. Step 2: Convert to fraction form
    56,997/85,497.24 = 19,556.54/x
  3. Step 3: Cross multiply
    56,997x = 85,497.24 × 19,556.54
  4. Step 4: Simplify right side
    56,997x = 1,672,030,193.95
  5. Step 5: Solve for x
    x = 1,672,030,193.95/56,997
  6. Step 6: Final answer
    x = 29,335.41

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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.