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Finding the Fourth Proportional to 1,446.62, 1,995.09 and 1,166.75

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Solution

The fourth proportional to 1,446.62, 1,995.09 and 1,166.75 is: 1,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.62 : 1,995.09 = 1,166.75 : x
  2. Step 2: Convert to fraction form
    1,446.62/1,995.09 = 1,166.75/x
  3. Step 3: Cross multiply
    1,446.62x = 1,995.09 × 1,166.75
  4. Step 4: Simplify right side
    1,446.62x = 2,327,771.26
  5. Step 5: Solve for x
    x = 2,327,771.26/1,446.62
  6. Step 6: Final answer
    x = 1,609.11

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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.