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Finding the Fourth Proportional to 17,040, 25,560.96 and 4,728.96

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Solution

The fourth proportional to 17,040, 25,560.96 and 4,728.96 is: 7,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,040 : 25,560.96 = 4,728.96 : x
  2. Step 2: Convert to fraction form
    17,040/25,560.96 = 4,728.96/x
  3. Step 3: Cross multiply
    17,040x = 25,560.96 × 4,728.96
  4. Step 4: Simplify right side
    17,040x = 120,876,757.40
  5. Step 5: Solve for x
    x = 120,876,757.40/17,040
  6. Step 6: Final answer
    x = 7,093.71

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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.