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Finding the Fourth Proportional to 83,473.64, 125,250.96 and 36,720.44

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Solution

The fourth proportional to 83,473.64, 125,250.96 and 36,720.44 is: 55,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,473.64 : 125,250.96 = 36,720.44 : x
  2. Step 2: Convert to fraction form
    83,473.64/125,250.96 = 36,720.44/x
  3. Step 3: Cross multiply
    83,473.64x = 125,250.96 × 36,720.44
  4. Step 4: Simplify right side
    83,473.64x = 4,599,270,361.62
  5. Step 5: Solve for x
    x = 4,599,270,361.62/83,473.64
  6. Step 6: Final answer
    x = 55,098.48

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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.