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Finding the Fourth Proportional to 16,760.81, 25,102.96 and 8,001.88

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Solution

The fourth proportional to 16,760.81, 25,102.96 and 8,001.88 is: 11,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,760.81 : 25,102.96 = 8,001.88 : x
  2. Step 2: Convert to fraction form
    16,760.81/25,102.96 = 8,001.88/x
  3. Step 3: Cross multiply
    16,760.81x = 25,102.96 × 8,001.88
  4. Step 4: Simplify right side
    16,760.81x = 200,870,790.80
  5. Step 5: Solve for x
    x = 200,870,790.80/16,760.81
  6. Step 6: Final answer
    x = 11,984.55

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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.