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Finding the Fourth Proportional to 36,774.88, 50,753.08 and 21,672.24

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Solution

The fourth proportional to 36,774.88, 50,753.08 and 21,672.24 is: 29,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,774.88 : 50,753.08 = 21,672.24 : x
  2. Step 2: Convert to fraction form
    36,774.88/50,753.08 = 21,672.24/x
  3. Step 3: Cross multiply
    36,774.88x = 50,753.08 × 21,672.24
  4. Step 4: Simplify right side
    36,774.88x = 1,099,932,930.50
  5. Step 5: Solve for x
    x = 1,099,932,930.50/36,774.88
  6. Step 6: Final answer
    x = 29,909.90

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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.