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Finding the Fourth Proportional to 18,227.88, 27,344.10 and 7,133.13

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Solution

The fourth proportional to 18,227.88, 27,344.10 and 7,133.13 is: 10,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.88 : 27,344.10 = 7,133.13 : x
  2. Step 2: Convert to fraction form
    18,227.88/27,344.10 = 7,133.13/x
  3. Step 3: Cross multiply
    18,227.88x = 27,344.10 × 7,133.13
  4. Step 4: Simplify right side
    18,227.88x = 195,048,984.37
  5. Step 5: Solve for x
    x = 195,048,984.37/18,227.88
  6. Step 6: Final answer
    x = 10,700.59

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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.