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Finding the Fourth Proportional to 63,026.44, 86,978.31 and 34,733.95

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Solution

The fourth proportional to 63,026.44, 86,978.31 and 34,733.95 is: 47,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,026.44 : 86,978.31 = 34,733.95 : x
  2. Step 2: Convert to fraction form
    63,026.44/86,978.31 = 34,733.95/x
  3. Step 3: Cross multiply
    63,026.44x = 86,978.31 × 34,733.95
  4. Step 4: Simplify right side
    63,026.44x = 3,021,099,922.93
  5. Step 5: Solve for x
    x = 3,021,099,922.93/63,026.44
  6. Step 6: Final answer
    x = 47,933.85

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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.