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Finding the Fourth Proportional to 27,198.92, 40,799.92 and 7,477.04

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Solution

The fourth proportional to 27,198.92, 40,799.92 and 7,477.04 is: 11,215.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.92 : 40,799.92 = 7,477.04 : x
  2. Step 2: Convert to fraction form
    27,198.92/40,799.92 = 7,477.04/x
  3. Step 3: Cross multiply
    27,198.92x = 40,799.92 × 7,477.04
  4. Step 4: Simplify right side
    27,198.92x = 305,062,633.84
  5. Step 5: Solve for x
    x = 305,062,633.84/27,198.92
  6. Step 6: Final answer
    x = 11,215.98

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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.