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Finding the Fourth Proportional to 63,027.75, 86,978.30 and 34,733.44

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Solution

The fourth proportional to 63,027.75, 86,978.30 and 34,733.44 is: 47,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,027.75 : 86,978.30 = 34,733.44 : x
  2. Step 2: Convert to fraction form
    63,027.75/86,978.30 = 34,733.44/x
  3. Step 3: Cross multiply
    63,027.75x = 86,978.30 × 34,733.44
  4. Step 4: Simplify right side
    63,027.75x = 3,021,055,173.24
  5. Step 5: Solve for x
    x = 3,021,055,173.24/63,027.75
  6. Step 6: Final answer
    x = 47,932.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.