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Finding the Fourth Proportional to 7,995.34, 11,992.11 and 2,152.42

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Solution

The fourth proportional to 7,995.34, 11,992.11 and 2,152.42 is: 3,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.34 : 11,992.11 = 2,152.42 : x
  2. Step 2: Convert to fraction form
    7,995.34/11,992.11 = 2,152.42/x
  3. Step 3: Cross multiply
    7,995.34x = 11,992.11 × 2,152.42
  4. Step 4: Simplify right side
    7,995.34x = 25,812,057.41
  5. Step 5: Solve for x
    x = 25,812,057.41/7,995.34
  6. Step 6: Final answer
    x = 3,228.39

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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.