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Finding the Fourth Proportional to 61,997.75, 92,996.67 and 20,444.75

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Solution

The fourth proportional to 61,997.75, 92,996.67 and 20,444.75 is: 30,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,997.75 : 92,996.67 = 20,444.75 : x
  2. Step 2: Convert to fraction form
    61,997.75/92,996.67 = 20,444.75/x
  3. Step 3: Cross multiply
    61,997.75x = 92,996.67 × 20,444.75
  4. Step 4: Simplify right side
    61,997.75x = 1,901,293,668.98
  5. Step 5: Solve for x
    x = 1,901,293,668.98/61,997.75
  6. Step 6: Final answer
    x = 30,667.14

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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.