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Finding the Fourth Proportional to 15,243.46, 22,846.12 and 7,344.49

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Solution

The fourth proportional to 15,243.46, 22,846.12 and 7,344.49 is: 11,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243.46 : 22,846.12 = 7,344.49 : x
  2. Step 2: Convert to fraction form
    15,243.46/22,846.12 = 7,344.49/x
  3. Step 3: Cross multiply
    15,243.46x = 22,846.12 × 7,344.49
  4. Step 4: Simplify right side
    15,243.46x = 167,793,099.88
  5. Step 5: Solve for x
    x = 167,793,099.88/15,243.46
  6. Step 6: Final answer
    x = 11,007.55

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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.