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Finding the Fourth Proportional to 66,667.84, 100,001.86 and 27,224.96

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Solution

The fourth proportional to 66,667.84, 100,001.86 and 27,224.96 is: 40,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,667.84 : 100,001.86 = 27,224.96 : x
  2. Step 2: Convert to fraction form
    66,667.84/100,001.86 = 27,224.96/x
  3. Step 3: Cross multiply
    66,667.84x = 100,001.86 × 27,224.96
  4. Step 4: Simplify right side
    66,667.84x = 2,722,546,070.35
  5. Step 5: Solve for x
    x = 2,722,546,070.35/66,667.84
  6. Step 6: Final answer
    x = 40,837.47

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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.