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Finding the Fourth Proportional to 8,140.59, 11,233.94 and 4,414.59

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Solution

The fourth proportional to 8,140.59, 11,233.94 and 4,414.59 is: 6,092.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.59 : 11,233.94 = 4,414.59 : x
  2. Step 2: Convert to fraction form
    8,140.59/11,233.94 = 4,414.59/x
  3. Step 3: Cross multiply
    8,140.59x = 11,233.94 × 4,414.59
  4. Step 4: Simplify right side
    8,140.59x = 49,593,217.11
  5. Step 5: Solve for x
    x = 49,593,217.11/8,140.59
  6. Step 6: Final answer
    x = 6,092.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.