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Finding the Fourth Proportional to 68,211.84, 94,129.80 and 37,996.44

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Solution

The fourth proportional to 68,211.84, 94,129.80 and 37,996.44 is: 52,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,211.84 : 94,129.80 = 37,996.44 : x
  2. Step 2: Convert to fraction form
    68,211.84/94,129.80 = 37,996.44/x
  3. Step 3: Cross multiply
    68,211.84x = 94,129.80 × 37,996.44
  4. Step 4: Simplify right side
    68,211.84x = 3,576,597,297.91
  5. Step 5: Solve for x
    x = 3,576,597,297.91/68,211.84
  6. Step 6: Final answer
    x = 52,433.67

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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.