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Finding the Fourth Proportional to 3,461.33, 5,191.93 and 996.16

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Solution

The fourth proportional to 3,461.33, 5,191.93 and 996.16 is: 1,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.33 : 5,191.93 = 996.16 : x
  2. Step 2: Convert to fraction form
    3,461.33/5,191.93 = 996.16/x
  3. Step 3: Cross multiply
    3,461.33x = 5,191.93 × 996.16
  4. Step 4: Simplify right side
    3,461.33x = 5,171,992.99
  5. Step 5: Solve for x
    x = 5,171,992.99/3,461.33
  6. Step 6: Final answer
    x = 1,494.22

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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.