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Finding the Fourth Proportional to 17,986.80, 26,963.76 and 6,293.64

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Solution

The fourth proportional to 17,986.80, 26,963.76 and 6,293.64 is: 9,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.80 : 26,963.76 = 6,293.64 : x
  2. Step 2: Convert to fraction form
    17,986.80/26,963.76 = 6,293.64/x
  3. Step 3: Cross multiply
    17,986.80x = 26,963.76 × 6,293.64
  4. Step 4: Simplify right side
    17,986.80x = 169,700,198.49
  5. Step 5: Solve for x
    x = 169,700,198.49/17,986.80
  6. Step 6: Final answer
    x = 9,434.71

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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.