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Finding the Fourth Proportional to 41,700.87, 57,489.99 and 26,379.80

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Solution

The fourth proportional to 41,700.87, 57,489.99 and 26,379.80 is: 36,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,700.87 : 57,489.99 = 26,379.80 : x
  2. Step 2: Convert to fraction form
    41,700.87/57,489.99 = 26,379.80/x
  3. Step 3: Cross multiply
    41,700.87x = 57,489.99 × 26,379.80
  4. Step 4: Simplify right side
    41,700.87x = 1,516,574,150.75
  5. Step 5: Solve for x
    x = 1,516,574,150.75/41,700.87
  6. Step 6: Final answer
    x = 36,367.93

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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.