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Finding the Fourth Proportional to 50,783.70, 76,175.55 and 36,009.30

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Solution

The fourth proportional to 50,783.70, 76,175.55 and 36,009.30 is: 54,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,783.70 : 76,175.55 = 36,009.30 : x
  2. Step 2: Convert to fraction form
    50,783.70/76,175.55 = 36,009.30/x
  3. Step 3: Cross multiply
    50,783.70x = 76,175.55 × 36,009.30
  4. Step 4: Simplify right side
    50,783.70x = 2,743,028,232.62
  5. Step 5: Solve for x
    x = 2,743,028,232.62/50,783.70
  6. Step 6: Final answer
    x = 54,013.95

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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.