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Finding the Fourth Proportional to 6,241.25, 8,612.63 and 3,408.58

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Solution

The fourth proportional to 6,241.25, 8,612.63 and 3,408.58 is: 4,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.25 : 8,612.63 = 3,408.58 : x
  2. Step 2: Convert to fraction form
    6,241.25/8,612.63 = 3,408.58/x
  3. Step 3: Cross multiply
    6,241.25x = 8,612.63 × 3,408.58
  4. Step 4: Simplify right side
    6,241.25x = 29,356,844.87
  5. Step 5: Solve for x
    x = 29,356,844.87/6,241.25
  6. Step 6: Final answer
    x = 4,703.68

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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.