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Finding the Fourth Proportional to 8,241.09, 11,372.09 and 4,654.92

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Solution

The fourth proportional to 8,241.09, 11,372.09 and 4,654.92 is: 6,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.09 : 11,372.09 = 4,654.92 : x
  2. Step 2: Convert to fraction form
    8,241.09/11,372.09 = 4,654.92/x
  3. Step 3: Cross multiply
    8,241.09x = 11,372.09 × 4,654.92
  4. Step 4: Simplify right side
    8,241.09x = 52,936,169.18
  5. Step 5: Solve for x
    x = 52,936,169.18/8,241.09
  6. Step 6: Final answer
    x = 6,423.44

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Double scale
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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.