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Finding the Fourth Proportional to 66,794.63, 100,235.68 and 25,241.63

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Solution

The fourth proportional to 66,794.63, 100,235.68 and 25,241.63 is: 37,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,794.63 : 100,235.68 = 25,241.63 : x
  2. Step 2: Convert to fraction form
    66,794.63/100,235.68 = 25,241.63/x
  3. Step 3: Cross multiply
    66,794.63x = 100,235.68 × 25,241.63
  4. Step 4: Simplify right side
    66,794.63x = 2,530,111,383.08
  5. Step 5: Solve for x
    x = 2,530,111,383.08/66,794.63
  6. Step 6: Final answer
    x = 37,878.97

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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.