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Finding the Fourth Proportional to 5,146.11, 7,719.17 and 2,224.42

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Solution

The fourth proportional to 5,146.11, 7,719.17 and 2,224.42 is: 3,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.11 : 7,719.17 = 2,224.42 : x
  2. Step 2: Convert to fraction form
    5,146.11/7,719.17 = 2,224.42/x
  3. Step 3: Cross multiply
    5,146.11x = 7,719.17 × 2,224.42
  4. Step 4: Simplify right side
    5,146.11x = 17,170,645.71
  5. Step 5: Solve for x
    x = 17,170,645.71/5,146.11
  6. Step 6: Final answer
    x = 3,336.63

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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.