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Finding the Fourth Proportional to 16,753.68, 25,131.74 and 5,660.73

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Solution

The fourth proportional to 16,753.68, 25,131.74 and 5,660.73 is: 8,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,753.68 : 25,131.74 = 5,660.73 : x
  2. Step 2: Convert to fraction form
    16,753.68/25,131.74 = 5,660.73/x
  3. Step 3: Cross multiply
    16,753.68x = 25,131.74 × 5,660.73
  4. Step 4: Simplify right side
    16,753.68x = 142,263,966.27
  5. Step 5: Solve for x
    x = 142,263,966.27/16,753.68
  6. Step 6: Final answer
    x = 8,491.51

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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.