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Finding the Fourth Proportional to 18,393.01, 27,584.13 and 8,392.09

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Solution

The fourth proportional to 18,393.01, 27,584.13 and 8,392.09 is: 12,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.01 : 27,584.13 = 8,392.09 : x
  2. Step 2: Convert to fraction form
    18,393.01/27,584.13 = 8,392.09/x
  3. Step 3: Cross multiply
    18,393.01x = 27,584.13 × 8,392.09
  4. Step 4: Simplify right side
    18,393.01x = 231,488,501.53
  5. Step 5: Solve for x
    x = 231,488,501.53/18,393.01
  6. Step 6: Final answer
    x = 12,585.68

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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.