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Finding the Fourth Proportional to 27,081.46, 40,623.27 and 8,359.84

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Solution

The fourth proportional to 27,081.46, 40,623.27 and 8,359.84 is: 12,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.46 : 40,623.27 = 8,359.84 : x
  2. Step 2: Convert to fraction form
    27,081.46/40,623.27 = 8,359.84/x
  3. Step 3: Cross multiply
    27,081.46x = 40,623.27 × 8,359.84
  4. Step 4: Simplify right side
    27,081.46x = 339,604,037.48
  5. Step 5: Solve for x
    x = 339,604,037.48/27,081.46
  6. Step 6: Final answer
    x = 12,540.09

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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.