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Finding the Fourth Proportional to 8,556.44, 11,806.86 and 4,779.86

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Solution

The fourth proportional to 8,556.44, 11,806.86 and 4,779.86 is: 6,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.44 : 11,806.86 = 4,779.86 : x
  2. Step 2: Convert to fraction form
    8,556.44/11,806.86 = 4,779.86/x
  3. Step 3: Cross multiply
    8,556.44x = 11,806.86 × 4,779.86
  4. Step 4: Simplify right side
    8,556.44x = 56,435,137.84
  5. Step 5: Solve for x
    x = 56,435,137.84/8,556.44
  6. Step 6: Final answer
    x = 6,595.63

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