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Finding the Fourth Proportional to 57,366.72, 79,167.83 and 34,709.87

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Solution

The fourth proportional to 57,366.72, 79,167.83 and 34,709.87 is: 47,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,366.72 : 79,167.83 = 34,709.87 : x
  2. Step 2: Convert to fraction form
    57,366.72/79,167.83 = 34,709.87/x
  3. Step 3: Cross multiply
    57,366.72x = 79,167.83 × 34,709.87
  4. Step 4: Simplify right side
    57,366.72x = 2,747,904,518.09
  5. Step 5: Solve for x
    x = 2,747,904,518.09/57,366.72
  6. Step 6: Final answer
    x = 47,900.67

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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.