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Finding the Fourth Proportional to 57,367.89, 79,196.49 and 35,869.59

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Solution

The fourth proportional to 57,367.89, 79,196.49 and 35,869.59 is: 49,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,367.89 : 79,196.49 = 35,869.59 : x
  2. Step 2: Convert to fraction form
    57,367.89/79,196.49 = 35,869.59/x
  3. Step 3: Cross multiply
    57,367.89x = 79,196.49 × 35,869.59
  4. Step 4: Simplify right side
    57,367.89x = 2,840,745,625.74
  5. Step 5: Solve for x
    x = 2,840,745,625.74/57,367.89
  6. Step 6: Final answer
    x = 49,518.04

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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.