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Finding the Fourth Proportional to 7,230.75, 10,846.13 and 2,613.75

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Solution

The fourth proportional to 7,230.75, 10,846.13 and 2,613.75 is: 3,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.75 : 10,846.13 = 2,613.75 : x
  2. Step 2: Convert to fraction form
    7,230.75/10,846.13 = 2,613.75/x
  3. Step 3: Cross multiply
    7,230.75x = 10,846.13 × 2,613.75
  4. Step 4: Simplify right side
    7,230.75x = 28,349,072.29
  5. Step 5: Solve for x
    x = 28,349,072.29/7,230.75
  6. Step 6: Final answer
    x = 3,920.63

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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.