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Finding the Fourth Proportional to 12,022.92, 16,596.90 and 7,245

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Solution

The fourth proportional to 12,022.92, 16,596.90 and 7,245 is: 10,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.92 : 16,596.90 = 7,245 : x
  2. Step 2: Convert to fraction form
    12,022.92/16,596.90 = 7,245/x
  3. Step 3: Cross multiply
    12,022.92x = 16,596.90 × 7,245
  4. Step 4: Simplify right side
    12,022.92x = 120,244,540.50
  5. Step 5: Solve for x
    x = 120,244,540.50/12,022.92
  6. Step 6: Final answer
    x = 10,001.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.