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Finding the Fourth Proportional to 15,213.93, 22,805.49 and 7,304.82

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Solution

The fourth proportional to 15,213.93, 22,805.49 and 7,304.82 is: 10,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.93 : 22,805.49 = 7,304.82 : x
  2. Step 2: Convert to fraction form
    15,213.93/22,805.49 = 7,304.82/x
  3. Step 3: Cross multiply
    15,213.93x = 22,805.49 × 7,304.82
  4. Step 4: Simplify right side
    15,213.93x = 166,589,999.46
  5. Step 5: Solve for x
    x = 166,589,999.46/15,213.93
  6. Step 6: Final answer
    x = 10,949.83

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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.