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Finding the Fourth Proportional to 63,876.89, 95,826.87 and 26,416.61

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Solution

The fourth proportional to 63,876.89, 95,826.87 and 26,416.61 is: 39,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,876.89 : 95,826.87 = 26,416.61 : x
  2. Step 2: Convert to fraction form
    63,876.89/95,826.87 = 26,416.61/x
  3. Step 3: Cross multiply
    63,876.89x = 95,826.87 × 26,416.61
  4. Step 4: Simplify right side
    63,876.89x = 2,531,421,291.88
  5. Step 5: Solve for x
    x = 2,531,421,291.88/63,876.89
  6. Step 6: Final answer
    x = 39,629.69

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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.