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Finding the Fourth Proportional to 3,441.42, 5,162.13 and 844.38

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Solution

The fourth proportional to 3,441.42, 5,162.13 and 844.38 is: 1,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.42 : 5,162.13 = 844.38 : x
  2. Step 2: Convert to fraction form
    3,441.42/5,162.13 = 844.38/x
  3. Step 3: Cross multiply
    3,441.42x = 5,162.13 × 844.38
  4. Step 4: Simplify right side
    3,441.42x = 4,358,799.33
  5. Step 5: Solve for x
    x = 4,358,799.33/3,441.42
  6. Step 6: Final answer
    x = 1,266.57

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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.