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Finding the Fourth Proportional to 50,469.43, 69,649.22 and 28,960.99

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Solution

The fourth proportional to 50,469.43, 69,649.22 and 28,960.99 is: 39,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,469.43 : 69,649.22 = 28,960.99 : x
  2. Step 2: Convert to fraction form
    50,469.43/69,649.22 = 28,960.99/x
  3. Step 3: Cross multiply
    50,469.43x = 69,649.22 × 28,960.99
  4. Step 4: Simplify right side
    50,469.43x = 2,017,110,491.08
  5. Step 5: Solve for x
    x = 2,017,110,491.08/50,469.43
  6. Step 6: Final answer
    x = 39,966.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.