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Finding the Fourth Proportional to 57,266.60, 85,964.70 and 33,906.20

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Solution

The fourth proportional to 57,266.60, 85,964.70 and 33,906.20 is: 50,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,266.60 : 85,964.70 = 33,906.20 : x
  2. Step 2: Convert to fraction form
    57,266.60/85,964.70 = 33,906.20/x
  3. Step 3: Cross multiply
    57,266.60x = 85,964.70 × 33,906.20
  4. Step 4: Simplify right side
    57,266.60x = 2,914,736,311.14
  5. Step 5: Solve for x
    x = 2,914,736,311.14/57,266.60
  6. Step 6: Final answer
    x = 50,897.67

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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.