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Finding the Fourth Proportional to 11,654.96, 17,487.04 and 4,259.92

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Solution

The fourth proportional to 11,654.96, 17,487.04 and 4,259.92 is: 6,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.96 : 17,487.04 = 4,259.92 : x
  2. Step 2: Convert to fraction form
    11,654.96/17,487.04 = 4,259.92/x
  3. Step 3: Cross multiply
    11,654.96x = 17,487.04 × 4,259.92
  4. Step 4: Simplify right side
    11,654.96x = 74,493,391.44
  5. Step 5: Solve for x
    x = 74,493,391.44/11,654.96
  6. Step 6: Final answer
    x = 6,391.56

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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.