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Finding the Fourth Proportional to 75,104.82, 112,696.05 and 33,014.45

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Solution

The fourth proportional to 75,104.82, 112,696.05 and 33,014.45 is: 49,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,104.82 : 112,696.05 = 33,014.45 : x
  2. Step 2: Convert to fraction form
    75,104.82/112,696.05 = 33,014.45/x
  3. Step 3: Cross multiply
    75,104.82x = 112,696.05 × 33,014.45
  4. Step 4: Simplify right side
    75,104.82x = 3,720,597,544.44
  5. Step 5: Solve for x
    x = 3,720,597,544.44/75,104.82
  6. Step 6: Final answer
    x = 49,538.74

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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.