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Finding the Fourth Proportional to 5,779.77, 8,664.78 and 2,267.82

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Solution

The fourth proportional to 5,779.77, 8,664.78 and 2,267.82 is: 3,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.77 : 8,664.78 = 2,267.82 : x
  2. Step 2: Convert to fraction form
    5,779.77/8,664.78 = 2,267.82/x
  3. Step 3: Cross multiply
    5,779.77x = 8,664.78 × 2,267.82
  4. Step 4: Simplify right side
    5,779.77x = 19,650,161.38
  5. Step 5: Solve for x
    x = 19,650,161.38/5,779.77
  6. Step 6: Final answer
    x = 3,399.82

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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.