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Finding the Fourth Proportional to 17,160.96, 25,741.35 and 11,274.96

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Solution

The fourth proportional to 17,160.96, 25,741.35 and 11,274.96 is: 16,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,160.96 : 25,741.35 = 11,274.96 : x
  2. Step 2: Convert to fraction form
    17,160.96/25,741.35 = 11,274.96/x
  3. Step 3: Cross multiply
    17,160.96x = 25,741.35 × 11,274.96
  4. Step 4: Simplify right side
    17,160.96x = 290,232,691.60
  5. Step 5: Solve for x
    x = 290,232,691.60/17,160.96
  6. Step 6: Final answer
    x = 16,912.38

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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.