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Finding the Fourth Proportional to 6,241.28, 8,612.94 and 3,446.80

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Solution

The fourth proportional to 6,241.28, 8,612.94 and 3,446.80 is: 4,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.28 : 8,612.94 = 3,446.80 : x
  2. Step 2: Convert to fraction form
    6,241.28/8,612.94 = 3,446.80/x
  3. Step 3: Cross multiply
    6,241.28x = 8,612.94 × 3,446.80
  4. Step 4: Simplify right side
    6,241.28x = 29,687,081.59
  5. Step 5: Solve for x
    x = 29,687,081.59/6,241.28
  6. Step 6: Final answer
    x = 4,756.57

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1.5x scale

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.