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Finding the Fourth Proportional to 17,240.28, 25,860.57 and 4,761

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Solution

The fourth proportional to 17,240.28, 25,860.57 and 4,761 is: 7,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,240.28 : 25,860.57 = 4,761 : x
  2. Step 2: Convert to fraction form
    17,240.28/25,860.57 = 4,761/x
  3. Step 3: Cross multiply
    17,240.28x = 25,860.57 × 4,761
  4. Step 4: Simplify right side
    17,240.28x = 123,122,173.77
  5. Step 5: Solve for x
    x = 123,122,173.77/17,240.28
  6. Step 6: Final answer
    x = 7,141.54

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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.