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Finding the Fourth Proportional to 8,741.84, 13,104.60 and 3,193.84

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Solution

The fourth proportional to 8,741.84, 13,104.60 and 3,193.84 is: 4,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.84 : 13,104.60 = 3,193.84 : x
  2. Step 2: Convert to fraction form
    8,741.84/13,104.60 = 3,193.84/x
  3. Step 3: Cross multiply
    8,741.84x = 13,104.60 × 3,193.84
  4. Step 4: Simplify right side
    8,741.84x = 41,853,995.66
  5. Step 5: Solve for x
    x = 41,853,995.66/8,741.84
  6. Step 6: Final answer
    x = 4,787.78

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1.5x scale

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.