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Finding the Fourth Proportional to 36,573.60, 50,473.74 and 20,659.53

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Solution

The fourth proportional to 36,573.60, 50,473.74 and 20,659.53 is: 28,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,573.60 : 50,473.74 = 20,659.53 : x
  2. Step 2: Convert to fraction form
    36,573.60/50,473.74 = 20,659.53/x
  3. Step 3: Cross multiply
    36,573.60x = 50,473.74 × 20,659.53
  4. Step 4: Simplify right side
    36,573.60x = 1,042,763,745.74
  5. Step 5: Solve for x
    x = 1,042,763,745.74/36,573.60
  6. Step 6: Final answer
    x = 28,511.38

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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.