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Finding the Fourth Proportional to 43,467.47, 65,193.50 and 19,769.47

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Solution

The fourth proportional to 43,467.47, 65,193.50 and 19,769.47 is: 29,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,467.47 : 65,193.50 = 19,769.47 : x
  2. Step 2: Convert to fraction form
    43,467.47/65,193.50 = 19,769.47/x
  3. Step 3: Cross multiply
    43,467.47x = 65,193.50 × 19,769.47
  4. Step 4: Simplify right side
    43,467.47x = 1,288,840,942.45
  5. Step 5: Solve for x
    x = 1,288,840,942.45/43,467.47
  6. Step 6: Final answer
    x = 29,650.70

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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.