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Finding the Fourth Proportional to 18,241.81, 27,364.07 and 6,555.13

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Solution

The fourth proportional to 18,241.81, 27,364.07 and 6,555.13 is: 9,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.81 : 27,364.07 = 6,555.13 : x
  2. Step 2: Convert to fraction form
    18,241.81/27,364.07 = 6,555.13/x
  3. Step 3: Cross multiply
    18,241.81x = 27,364.07 × 6,555.13
  4. Step 4: Simplify right side
    18,241.81x = 179,375,003.40
  5. Step 5: Solve for x
    x = 179,375,003.40/18,241.81
  6. Step 6: Final answer
    x = 9,833.18

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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.