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Finding the Fourth Proportional to 34,231.60, 51,347.40 and 32,919.40

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Solution

The fourth proportional to 34,231.60, 51,347.40 and 32,919.40 is: 49,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,231.60 : 51,347.40 = 32,919.40 : x
  2. Step 2: Convert to fraction form
    34,231.60/51,347.40 = 32,919.40/x
  3. Step 3: Cross multiply
    34,231.60x = 51,347.40 × 32,919.40
  4. Step 4: Simplify right side
    34,231.60x = 1,690,325,599.56
  5. Step 5: Solve for x
    x = 1,690,325,599.56/34,231.60
  6. Step 6: Final answer
    x = 49,379.10

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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.