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Finding the Fourth Proportional to 45,611.40, 68,301.90 and 29,944.20

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Solution

The fourth proportional to 45,611.40, 68,301.90 and 29,944.20 is: 44,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,611.40 : 68,301.90 = 29,944.20 : x
  2. Step 2: Convert to fraction form
    45,611.40/68,301.90 = 29,944.20/x
  3. Step 3: Cross multiply
    45,611.40x = 68,301.90 × 29,944.20
  4. Step 4: Simplify right side
    45,611.40x = 2,045,245,753.98
  5. Step 5: Solve for x
    x = 2,045,245,753.98/45,611.40
  6. Step 6: Final answer
    x = 44,840.67

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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.