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Finding the Fourth Proportional to 63,027.91, 86,978.34 and 34,733.59

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Solution

The fourth proportional to 63,027.91, 86,978.34 and 34,733.59 is: 47,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,027.91 : 86,978.34 = 34,733.59 : x
  2. Step 2: Convert to fraction form
    63,027.91/86,978.34 = 34,733.59/x
  3. Step 3: Cross multiply
    63,027.91x = 86,978.34 × 34,733.59
  4. Step 4: Simplify right side
    63,027.91x = 3,021,070,000.44
  5. Step 5: Solve for x
    x = 3,021,070,000.44/63,027.91
  6. Step 6: Final answer
    x = 47,932.26

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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.