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Finding the Fourth Proportional to 5,779.92, 8,662.80 and 2,486.04

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Solution

The fourth proportional to 5,779.92, 8,662.80 and 2,486.04 is: 3,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.92 : 8,662.80 = 2,486.04 : x
  2. Step 2: Convert to fraction form
    5,779.92/8,662.80 = 2,486.04/x
  3. Step 3: Cross multiply
    5,779.92x = 8,662.80 × 2,486.04
  4. Step 4: Simplify right side
    5,779.92x = 21,536,067.31
  5. Step 5: Solve for x
    x = 21,536,067.31/5,779.92
  6. Step 6: Final answer
    x = 3,726.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.