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Finding the Fourth Proportional to 18,609.33, 27,914.00 and 9,261.05

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Solution

The fourth proportional to 18,609.33, 27,914.00 and 9,261.05 is: 13,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.33 : 27,914.00 = 9,261.05 : x
  2. Step 2: Convert to fraction form
    18,609.33/27,914.00 = 9,261.05/x
  3. Step 3: Cross multiply
    18,609.33x = 27,914.00 × 9,261.05
  4. Step 4: Simplify right side
    18,609.33x = 258,512,973.18
  5. Step 5: Solve for x
    x = 258,512,973.18/18,609.33
  6. Step 6: Final answer
    x = 13,891.58

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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.