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Finding the Fourth Proportional to 18,449.25, 27,673.88 and 6,137.25

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Solution

The fourth proportional to 18,449.25, 27,673.88 and 6,137.25 is: 9,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.25 : 27,673.88 = 6,137.25 : x
  2. Step 2: Convert to fraction form
    18,449.25/27,673.88 = 6,137.25/x
  3. Step 3: Cross multiply
    18,449.25x = 27,673.88 × 6,137.25
  4. Step 4: Simplify right side
    18,449.25x = 169,841,489.34
  5. Step 5: Solve for x
    x = 169,841,489.34/18,449.25
  6. Step 6: Final answer
    x = 9,205.88

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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.