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Finding the Fourth Proportional to 14,229.62, 21,351.94 and 7,304.12

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Solution

The fourth proportional to 14,229.62, 21,351.94 and 7,304.12 is: 10,960.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.62 : 21,351.94 = 7,304.12 : x
  2. Step 2: Convert to fraction form
    14,229.62/21,351.94 = 7,304.12/x
  3. Step 3: Cross multiply
    14,229.62x = 21,351.94 × 7,304.12
  4. Step 4: Simplify right side
    14,229.62x = 155,957,131.99
  5. Step 5: Solve for x
    x = 155,957,131.99/14,229.62
  6. Step 6: Final answer
    x = 10,960.03

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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.