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Finding the Fourth Proportional to 69,591.48, 104,404.50 and 20,343.48

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Solution

The fourth proportional to 69,591.48, 104,404.50 and 20,343.48 is: 30,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,591.48 : 104,404.50 = 20,343.48 : x
  2. Step 2: Convert to fraction form
    69,591.48/104,404.50 = 20,343.48/x
  3. Step 3: Cross multiply
    69,591.48x = 104,404.50 × 20,343.48
  4. Step 4: Simplify right side
    69,591.48x = 2,123,950,857.66
  5. Step 5: Solve for x
    x = 2,123,950,857.66/69,591.48
  6. Step 6: Final answer
    x = 30,520.27

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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.