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Finding the Fourth Proportional to 36,333.52, 50,131.50 and 21,217.60

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Solution

The fourth proportional to 36,333.52, 50,131.50 and 21,217.60 is: 29,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,333.52 : 50,131.50 = 21,217.60 : x
  2. Step 2: Convert to fraction form
    36,333.52/50,131.50 = 21,217.60/x
  3. Step 3: Cross multiply
    36,333.52x = 50,131.50 × 21,217.60
  4. Step 4: Simplify right side
    36,333.52x = 1,063,670,114.40
  5. Step 5: Solve for x
    x = 1,063,670,114.40/36,333.52
  6. Step 6: Final answer
    x = 29,275.17

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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.