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Finding the Fourth Proportional to 27,305.28, 40,957.92 and 7,583.85

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Solution

The fourth proportional to 27,305.28, 40,957.92 and 7,583.85 is: 11,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.28 : 40,957.92 = 7,583.85 : x
  2. Step 2: Convert to fraction form
    27,305.28/40,957.92 = 7,583.85/x
  3. Step 3: Cross multiply
    27,305.28x = 40,957.92 × 7,583.85
  4. Step 4: Simplify right side
    27,305.28x = 310,618,721.59
  5. Step 5: Solve for x
    x = 310,618,721.59/27,305.28
  6. Step 6: Final answer
    x = 11,375.78

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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.