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Finding the Fourth Proportional to 63,676.44, 87,904.66 and 39,810.82

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Solution

The fourth proportional to 63,676.44, 87,904.66 and 39,810.82 is: 54,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,676.44 : 87,904.66 = 39,810.82 : x
  2. Step 2: Convert to fraction form
    63,676.44/87,904.66 = 39,810.82/x
  3. Step 3: Cross multiply
    63,676.44x = 87,904.66 × 39,810.82
  4. Step 4: Simplify right side
    63,676.44x = 3,499,556,596.42
  5. Step 5: Solve for x
    x = 3,499,556,596.42/63,676.44
  6. Step 6: Final answer
    x = 54,958.42

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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.