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Finding the Fourth Proportional to 18,236.39, 27,354.81 and 6,549.61

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Solution

The fourth proportional to 18,236.39, 27,354.81 and 6,549.61 is: 9,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.39 : 27,354.81 = 6,549.61 : x
  2. Step 2: Convert to fraction form
    18,236.39/27,354.81 = 6,549.61/x
  3. Step 3: Cross multiply
    18,236.39x = 27,354.81 × 6,549.61
  4. Step 4: Simplify right side
    18,236.39x = 179,163,344.59
  5. Step 5: Solve for x
    x = 179,163,344.59/18,236.39
  6. Step 6: Final answer
    x = 9,824.50

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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.