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Finding the Fourth Proportional to 6,269.49, 8,652 and 3,436.80

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Solution

The fourth proportional to 6,269.49, 8,652 and 3,436.80 is: 4,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.49 : 8,652 = 3,436.80 : x
  2. Step 2: Convert to fraction form
    6,269.49/8,652 = 3,436.80/x
  3. Step 3: Cross multiply
    6,269.49x = 8,652 × 3,436.80
  4. Step 4: Simplify right side
    6,269.49x = 29,735,193.60
  5. Step 5: Solve for x
    x = 29,735,193.60/6,269.49
  6. Step 6: Final answer
    x = 4,742.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.