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Finding the Fourth Proportional to 36,231.60, 54,347.40 and 34,919.40

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Solution

The fourth proportional to 36,231.60, 54,347.40 and 34,919.40 is: 52,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.60 : 54,347.40 = 34,919.40 : x
  2. Step 2: Convert to fraction form
    36,231.60/54,347.40 = 34,919.40/x
  3. Step 3: Cross multiply
    36,231.60x = 54,347.40 × 34,919.40
  4. Step 4: Simplify right side
    36,231.60x = 1,897,778,599.56
  5. Step 5: Solve for x
    x = 1,897,778,599.56/36,231.60
  6. Step 6: Final answer
    x = 52,379.10

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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.