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Finding the Fourth Proportional to 27,635.52, 41,447.52 and 7,908.72

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Solution

The fourth proportional to 27,635.52, 41,447.52 and 7,908.72 is: 11,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.52 : 41,447.52 = 7,908.72 : x
  2. Step 2: Convert to fraction form
    27,635.52/41,447.52 = 7,908.72/x
  3. Step 3: Cross multiply
    27,635.52x = 41,447.52 × 7,908.72
  4. Step 4: Simplify right side
    27,635.52x = 327,796,830.37
  5. Step 5: Solve for x
    x = 327,796,830.37/27,635.52
  6. Step 6: Final answer
    x = 11,861.43

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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.