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Finding the Fourth Proportional to 10,850.71, 16,275.94 and 8,234.28

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Solution

The fourth proportional to 10,850.71, 16,275.94 and 8,234.28 is: 12,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.71 : 16,275.94 = 8,234.28 : x
  2. Step 2: Convert to fraction form
    10,850.71/16,275.94 = 8,234.28/x
  3. Step 3: Cross multiply
    10,850.71x = 16,275.94 × 8,234.28
  4. Step 4: Simplify right side
    10,850.71x = 134,020,647.22
  5. Step 5: Solve for x
    x = 134,020,647.22/10,850.71
  6. Step 6: Final answer
    x = 12,351.33

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Double scale
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Similar ratio
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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.