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Finding the Fourth Proportional to 50,703.68, 69,942.99 and 29,480.60

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Solution

The fourth proportional to 50,703.68, 69,942.99 and 29,480.60 is: 40,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,703.68 : 69,942.99 = 29,480.60 : x
  2. Step 2: Convert to fraction form
    50,703.68/69,942.99 = 29,480.60/x
  3. Step 3: Cross multiply
    50,703.68x = 69,942.99 × 29,480.60
  4. Step 4: Simplify right side
    50,703.68x = 2,061,961,310.99
  5. Step 5: Solve for x
    x = 2,061,961,310.99/50,703.68
  6. Step 6: Final answer
    x = 40,666.90

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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.