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Finding the Fourth Proportional to 8,083.10, 12,124.62 and 2,239.71

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Solution

The fourth proportional to 8,083.10, 12,124.62 and 2,239.71 is: 3,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.10 : 12,124.62 = 2,239.71 : x
  2. Step 2: Convert to fraction form
    8,083.10/12,124.62 = 2,239.71/x
  3. Step 3: Cross multiply
    8,083.10x = 12,124.62 × 2,239.71
  4. Step 4: Simplify right side
    8,083.10x = 27,155,632.66
  5. Step 5: Solve for x
    x = 27,155,632.66/8,083.10
  6. Step 6: Final answer
    x = 3,359.56

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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.