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Finding the Fourth Proportional to 8,265.36, 12,398.02 and 3,000.36

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Solution

The fourth proportional to 8,265.36, 12,398.02 and 3,000.36 is: 4,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.36 : 12,398.02 = 3,000.36 : x
  2. Step 2: Convert to fraction form
    8,265.36/12,398.02 = 3,000.36/x
  3. Step 3: Cross multiply
    8,265.36x = 12,398.02 × 3,000.36
  4. Step 4: Simplify right side
    8,265.36x = 37,198,562.28
  5. Step 5: Solve for x
    x = 37,198,562.28/8,265.36
  6. Step 6: Final answer
    x = 4,500.54

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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.