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Finding the Fourth Proportional to 6,241.50, 8,613.27 and 3,447

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Solution

The fourth proportional to 6,241.50, 8,613.27 and 3,447 is: 4,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.50 : 8,613.27 = 3,447 : x
  2. Step 2: Convert to fraction form
    6,241.50/8,613.27 = 3,447/x
  3. Step 3: Cross multiply
    6,241.50x = 8,613.27 × 3,447
  4. Step 4: Simplify right side
    6,241.50x = 29,689,941.69
  5. Step 5: Solve for x
    x = 29,689,941.69/6,241.50
  6. Step 6: Final answer
    x = 4,756.86

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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.