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Finding the Fourth Proportional to 18,449.31, 27,673.29 and 10,133.22

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Solution

The fourth proportional to 18,449.31, 27,673.29 and 10,133.22 is: 15,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.31 : 27,673.29 = 10,133.22 : x
  2. Step 2: Convert to fraction form
    18,449.31/27,673.29 = 10,133.22/x
  3. Step 3: Cross multiply
    18,449.31x = 27,673.29 × 10,133.22
  4. Step 4: Simplify right side
    18,449.31x = 280,419,535.69
  5. Step 5: Solve for x
    x = 280,419,535.69/18,449.31
  6. Step 6: Final answer
    x = 15,199.46

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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.