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Finding the Fourth Proportional to 74,612.97, 111,958.34 and 33,050.25

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Solution

The fourth proportional to 74,612.97, 111,958.34 and 33,050.25 is: 49,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,612.97 : 111,958.34 = 33,050.25 : x
  2. Step 2: Convert to fraction form
    74,612.97/111,958.34 = 33,050.25/x
  3. Step 3: Cross multiply
    74,612.97x = 111,958.34 × 33,050.25
  4. Step 4: Simplify right side
    74,612.97x = 3,700,250,961.33
  5. Step 5: Solve for x
    x = 3,700,250,961.33/74,612.97
  6. Step 6: Final answer
    x = 49,592.60

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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.