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Finding the Fourth Proportional to 17,130, 25,695 and 4,818

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Solution

The fourth proportional to 17,130, 25,695 and 4,818 is: 7,227

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130 : 25,695 = 4,818 : x
  2. Step 2: Convert to fraction form
    17,130/25,695 = 4,818/x
  3. Step 3: Cross multiply
    17,130x = 25,695 × 4,818
  4. Step 4: Simplify right side
    17,130x = 123,798,510
  5. Step 5: Solve for x
    x = 123,798,510/17,130
  6. Step 6: Final answer
    x = 7,227

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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.