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Finding the Fourth Proportional to 27,251.92, 40,889.40 and 11,676.88

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Solution

The fourth proportional to 27,251.92, 40,889.40 and 11,676.88 is: 17,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.92 : 40,889.40 = 11,676.88 : x
  2. Step 2: Convert to fraction form
    27,251.92/40,889.40 = 11,676.88/x
  3. Step 3: Cross multiply
    27,251.92x = 40,889.40 × 11,676.88
  4. Step 4: Simplify right side
    27,251.92x = 477,460,617.07
  5. Step 5: Solve for x
    x = 477,460,617.07/27,251.92
  6. Step 6: Final answer
    x = 17,520.26

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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.