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Finding the Fourth Proportional to 21,753.97, 32,633.34 and 6,959.41

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Solution

The fourth proportional to 21,753.97, 32,633.34 and 6,959.41 is: 10,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753.97 : 32,633.34 = 6,959.41 : x
  2. Step 2: Convert to fraction form
    21,753.97/32,633.34 = 6,959.41/x
  3. Step 3: Cross multiply
    21,753.97x = 32,633.34 × 6,959.41
  4. Step 4: Simplify right side
    21,753.97x = 227,108,792.73
  5. Step 5: Solve for x
    x = 227,108,792.73/21,753.97
  6. Step 6: Final answer
    x = 10,439.88

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1.5x scale

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.