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Finding the Fourth Proportional to 27,198.99, 40,799.40 and 19,336.72

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Solution

The fourth proportional to 27,198.99, 40,799.40 and 19,336.72 is: 29,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.99 : 40,799.40 = 19,336.72 : x
  2. Step 2: Convert to fraction form
    27,198.99/40,799.40 = 19,336.72/x
  3. Step 3: Cross multiply
    27,198.99x = 40,799.40 × 19,336.72
  4. Step 4: Simplify right side
    27,198.99x = 788,926,573.97
  5. Step 5: Solve for x
    x = 788,926,573.97/27,198.99
  6. Step 6: Final answer
    x = 29,005.73

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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.