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Finding the Fourth Proportional to 49,997.82, 74,996.74 and 34,513.86

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Solution

The fourth proportional to 49,997.82, 74,996.74 and 34,513.86 is: 51,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,997.82 : 74,996.74 = 34,513.86 : x
  2. Step 2: Convert to fraction form
    49,997.82/74,996.74 = 34,513.86/x
  3. Step 3: Cross multiply
    49,997.82x = 74,996.74 × 34,513.86
  4. Step 4: Simplify right side
    49,997.82x = 2,588,426,812.25
  5. Step 5: Solve for x
    x = 2,588,426,812.25/49,997.82
  6. Step 6: Final answer
    x = 51,770.79

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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.