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Finding the Fourth Proportional to 8,383.61, 12,576.99 and 4,001.38

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Solution

The fourth proportional to 8,383.61, 12,576.99 and 4,001.38 is: 6,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.61 : 12,576.99 = 4,001.38 : x
  2. Step 2: Convert to fraction form
    8,383.61/12,576.99 = 4,001.38/x
  3. Step 3: Cross multiply
    8,383.61x = 12,576.99 × 4,001.38
  4. Step 4: Simplify right side
    8,383.61x = 50,325,253.36
  5. Step 5: Solve for x
    x = 50,325,253.36/8,383.61
  6. Step 6: Final answer
    x = 6,002.81

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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.