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Finding the Fourth Proportional to 27,274.78, 40,912.08 and 8,554.96

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Solution

The fourth proportional to 27,274.78, 40,912.08 and 8,554.96 is: 12,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,274.78 : 40,912.08 = 8,554.96 : x
  2. Step 2: Convert to fraction form
    27,274.78/40,912.08 = 8,554.96/x
  3. Step 3: Cross multiply
    27,274.78x = 40,912.08 × 8,554.96
  4. Step 4: Simplify right side
    27,274.78x = 350,001,207.92
  5. Step 5: Solve for x
    x = 350,001,207.92/27,274.78
  6. Step 6: Final answer
    x = 12,832.41

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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.