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Finding the Fourth Proportional to 27,357.22, 41,042.22 and 8,639.14

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Solution

The fourth proportional to 27,357.22, 41,042.22 and 8,639.14 is: 12,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.22 : 41,042.22 = 8,639.14 : x
  2. Step 2: Convert to fraction form
    27,357.22/41,042.22 = 8,639.14/x
  3. Step 3: Cross multiply
    27,357.22x = 41,042.22 × 8,639.14
  4. Step 4: Simplify right side
    27,357.22x = 354,569,484.49
  5. Step 5: Solve for x
    x = 354,569,484.49/27,357.22
  6. Step 6: Final answer
    x = 12,960.73

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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.