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Finding the Fourth Proportional to 18,401.22, 27,606.43 and 7,304.24

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Solution

The fourth proportional to 18,401.22, 27,606.43 and 7,304.24 is: 10,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.22 : 27,606.43 = 7,304.24 : x
  2. Step 2: Convert to fraction form
    18,401.22/27,606.43 = 7,304.24/x
  3. Step 3: Cross multiply
    18,401.22x = 27,606.43 × 7,304.24
  4. Step 4: Simplify right side
    18,401.22x = 201,643,990.26
  5. Step 5: Solve for x
    x = 201,643,990.26/18,401.22
  6. Step 6: Final answer
    x = 10,958.19

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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.