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Finding the Fourth Proportional to 17,128, 25,692 and 4,816

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Solution

The fourth proportional to 17,128, 25,692 and 4,816 is: 7,224

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128 : 25,692 = 4,816 : x
  2. Step 2: Convert to fraction form
    17,128/25,692 = 4,816/x
  3. Step 3: Cross multiply
    17,128x = 25,692 × 4,816
  4. Step 4: Simplify right side
    17,128x = 123,732,672
  5. Step 5: Solve for x
    x = 123,732,672/17,128
  6. Step 6: Final answer
    x = 7,224

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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.