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Finding the Fourth Proportional to 39,274.88, 58,893.02 and 13,965.89

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Solution

The fourth proportional to 39,274.88, 58,893.02 and 13,965.89 is: 20,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,274.88 : 58,893.02 = 13,965.89 : x
  2. Step 2: Convert to fraction form
    39,274.88/58,893.02 = 13,965.89/x
  3. Step 3: Cross multiply
    39,274.88x = 58,893.02 × 13,965.89
  4. Step 4: Simplify right side
    39,274.88x = 822,493,369.26
  5. Step 5: Solve for x
    x = 822,493,369.26/39,274.88
  6. Step 6: Final answer
    x = 20,941.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.