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Finding the Fourth Proportional to 50,679.60, 76,019.40 and 22,613.10

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Solution

The fourth proportional to 50,679.60, 76,019.40 and 22,613.10 is: 33,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,679.60 : 76,019.40 = 22,613.10 : x
  2. Step 2: Convert to fraction form
    50,679.60/76,019.40 = 22,613.10/x
  3. Step 3: Cross multiply
    50,679.60x = 76,019.40 × 22,613.10
  4. Step 4: Simplify right side
    50,679.60x = 1,719,034,294.14
  5. Step 5: Solve for x
    x = 1,719,034,294.14/50,679.60
  6. Step 6: Final answer
    x = 33,919.65

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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.