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Finding the Fourth Proportional to 27,306.39, 40,964.39 and 11,295.87

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Solution

The fourth proportional to 27,306.39, 40,964.39 and 11,295.87 is: 16,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,306.39 : 40,964.39 = 11,295.87 : x
  2. Step 2: Convert to fraction form
    27,306.39/40,964.39 = 11,295.87/x
  3. Step 3: Cross multiply
    27,306.39x = 40,964.39 × 11,295.87
  4. Step 4: Simplify right side
    27,306.39x = 462,728,367.59
  5. Step 5: Solve for x
    x = 462,728,367.59/27,306.39
  6. Step 6: Final answer
    x = 16,945.79

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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.