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Finding the Fourth Proportional to 5,788.10, 8,682.11 and 1,405.52

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Solution

The fourth proportional to 5,788.10, 8,682.11 and 1,405.52 is: 2,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.10 : 8,682.11 = 1,405.52 : x
  2. Step 2: Convert to fraction form
    5,788.10/8,682.11 = 1,405.52/x
  3. Step 3: Cross multiply
    5,788.10x = 8,682.11 × 1,405.52
  4. Step 4: Simplify right side
    5,788.10x = 12,202,879.25
  5. Step 5: Solve for x
    x = 12,202,879.25/5,788.10
  6. Step 6: Final answer
    x = 2,108.27

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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.