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Finding the Fourth Proportional to 50,803.58, 76,168.44 and 21,229.88

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Solution

The fourth proportional to 50,803.58, 76,168.44 and 21,229.88 is: 31,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.58 : 76,168.44 = 21,229.88 : x
  2. Step 2: Convert to fraction form
    50,803.58/76,168.44 = 21,229.88/x
  3. Step 3: Cross multiply
    50,803.58x = 76,168.44 × 21,229.88
  4. Step 4: Simplify right side
    50,803.58x = 1,617,046,460.15
  5. Step 5: Solve for x
    x = 1,617,046,460.15/50,803.58
  6. Step 6: Final answer
    x = 31,829.38

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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.