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Finding the Fourth Proportional to 71,773.24, 98,944.42 and 50,486.44

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Solution

The fourth proportional to 71,773.24, 98,944.42 and 50,486.44 is: 69,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,773.24 : 98,944.42 = 50,486.44 : x
  2. Step 2: Convert to fraction form
    71,773.24/98,944.42 = 50,486.44/x
  3. Step 3: Cross multiply
    71,773.24x = 98,944.42 × 50,486.44
  4. Step 4: Simplify right side
    71,773.24x = 4,995,351,523.66
  5. Step 5: Solve for x
    x = 4,995,351,523.66/71,773.24
  6. Step 6: Final answer
    x = 69,599.08

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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.