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Finding the Fourth Proportional to 23,400, 35,100 and 6,984

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Solution

The fourth proportional to 23,400, 35,100 and 6,984 is: 10,476

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,400 : 35,100 = 6,984 : x
  2. Step 2: Convert to fraction form
    23,400/35,100 = 6,984/x
  3. Step 3: Cross multiply
    23,400x = 35,100 × 6,984
  4. Step 4: Simplify right side
    23,400x = 245,138,400
  5. Step 5: Solve for x
    x = 245,138,400/23,400
  6. Step 6: Final answer
    x = 10,476

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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.