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Finding the Fourth Proportional to 17,077.96, 25,616.94 and 5,390.89

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Solution

The fourth proportional to 17,077.96, 25,616.94 and 5,390.89 is: 8,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,077.96 : 25,616.94 = 5,390.89 : x
  2. Step 2: Convert to fraction form
    17,077.96/25,616.94 = 5,390.89/x
  3. Step 3: Cross multiply
    17,077.96x = 25,616.94 × 5,390.89
  4. Step 4: Simplify right side
    17,077.96x = 138,098,105.68
  5. Step 5: Solve for x
    x = 138,098,105.68/17,077.96
  6. Step 6: Final answer
    x = 8,086.34

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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.