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Finding the Fourth Proportional to 68,493.44, 94,494.90 and 50,631.32

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Solution

The fourth proportional to 68,493.44, 94,494.90 and 50,631.32 is: 69,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,493.44 : 94,494.90 = 50,631.32 : x
  2. Step 2: Convert to fraction form
    68,493.44/94,494.90 = 50,631.32/x
  3. Step 3: Cross multiply
    68,493.44x = 94,494.90 × 50,631.32
  4. Step 4: Simplify right side
    68,493.44x = 4,784,401,520.27
  5. Step 5: Solve for x
    x = 4,784,401,520.27/68,493.44
  6. Step 6: Final answer
    x = 69,851.97

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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.