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Finding the Fourth Proportional to 57,950.60, 79,893.30 and 49,543.03

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Solution

The fourth proportional to 57,950.60, 79,893.30 and 49,543.03 is: 68,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,950.60 : 79,893.30 = 49,543.03 : x
  2. Step 2: Convert to fraction form
    57,950.60/79,893.30 = 49,543.03/x
  3. Step 3: Cross multiply
    57,950.60x = 79,893.30 × 49,543.03
  4. Step 4: Simplify right side
    57,950.60x = 3,958,156,669.05
  5. Step 5: Solve for x
    x = 3,958,156,669.05/57,950.60
  6. Step 6: Final answer
    x = 68,302.26

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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.