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Finding the Fourth Proportional to 43,595.76, 65,295.24 and 20,173

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Solution

The fourth proportional to 43,595.76, 65,295.24 and 20,173 is: 30,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,595.76 : 65,295.24 = 20,173 : x
  2. Step 2: Convert to fraction form
    43,595.76/65,295.24 = 20,173/x
  3. Step 3: Cross multiply
    43,595.76x = 65,295.24 × 20,173
  4. Step 4: Simplify right side
    43,595.76x = 1,317,200,876.52
  5. Step 5: Solve for x
    x = 1,317,200,876.52/43,595.76
  6. Step 6: Final answer
    x = 30,213.97

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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.