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Finding the Fourth Proportional to 57,872.44, 79,869.92 and 35,213.08

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Solution

The fourth proportional to 57,872.44, 79,869.92 and 35,213.08 is: 48,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,872.44 : 79,869.92 = 35,213.08 : x
  2. Step 2: Convert to fraction form
    57,872.44/79,869.92 = 35,213.08/x
  3. Step 3: Cross multiply
    57,872.44x = 79,869.92 × 35,213.08
  4. Step 4: Simplify right side
    57,872.44x = 2,812,465,882.55
  5. Step 5: Solve for x
    x = 2,812,465,882.55/57,872.44
  6. Step 6: Final answer
    x = 48,597.67

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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.