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Finding the Fourth Proportional to 71,773.48, 98,944.76 and 50,486.68

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Solution

The fourth proportional to 71,773.48, 98,944.76 and 50,486.68 is: 69,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,773.48 : 98,944.76 = 50,486.68 : x
  2. Step 2: Convert to fraction form
    71,773.48/98,944.76 = 50,486.68/x
  3. Step 3: Cross multiply
    71,773.48x = 98,944.76 × 50,486.68
  4. Step 4: Simplify right side
    71,773.48x = 4,995,392,183.36
  5. Step 5: Solve for x
    x = 4,995,392,183.36/71,773.48
  6. Step 6: Final answer
    x = 69,599.41

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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.