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Finding the Fourth Proportional to 60,138.39, 82,989.79 and 33,279.33

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Solution

The fourth proportional to 60,138.39, 82,989.79 and 33,279.33 is: 45,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,138.39 : 82,989.79 = 33,279.33 : x
  2. Step 2: Convert to fraction form
    60,138.39/82,989.79 = 33,279.33/x
  3. Step 3: Cross multiply
    60,138.39x = 82,989.79 × 33,279.33
  4. Step 4: Simplify right side
    60,138.39x = 2,761,844,524.84
  5. Step 5: Solve for x
    x = 2,761,844,524.84/60,138.39
  6. Step 6: Final answer
    x = 45,924.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.