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Finding the Fourth Proportional to 68,453.32, 94,455.94 and 38,234.44

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Solution

The fourth proportional to 68,453.32, 94,455.94 and 38,234.44 is: 52,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,453.32 : 94,455.94 = 38,234.44 : x
  2. Step 2: Convert to fraction form
    68,453.32/94,455.94 = 38,234.44/x
  3. Step 3: Cross multiply
    68,453.32x = 94,455.94 × 38,234.44
  4. Step 4: Simplify right side
    68,453.32x = 3,611,469,970.57
  5. Step 5: Solve for x
    x = 3,611,469,970.57/68,453.32
  6. Step 6: Final answer
    x = 52,758.14

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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.