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Finding the Fourth Proportional to 2,293.97, 3,440.96 and 833.12

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Solution

The fourth proportional to 2,293.97, 3,440.96 and 833.12 is: 1,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.97 : 3,440.96 = 833.12 : x
  2. Step 2: Convert to fraction form
    2,293.97/3,440.96 = 833.12/x
  3. Step 3: Cross multiply
    2,293.97x = 3,440.96 × 833.12
  4. Step 4: Simplify right side
    2,293.97x = 2,866,743.28
  5. Step 5: Solve for x
    x = 2,866,743.28/2,293.97
  6. Step 6: Final answer
    x = 1,249.69

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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.