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Finding the Fourth Proportional to 27,044.81, 40,571.05 and 8,326.40

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Solution

The fourth proportional to 27,044.81, 40,571.05 and 8,326.40 is: 12,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,044.81 : 40,571.05 = 8,326.40 : x
  2. Step 2: Convert to fraction form
    27,044.81/40,571.05 = 8,326.40/x
  3. Step 3: Cross multiply
    27,044.81x = 40,571.05 × 8,326.40
  4. Step 4: Simplify right side
    27,044.81x = 337,810,790.72
  5. Step 5: Solve for x
    x = 337,810,790.72/27,044.81
  6. Step 6: Final answer
    x = 12,490.78

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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.