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Finding the Fourth Proportional to 61,857.45, 92,821.82 and 36,958.05

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Solution

The fourth proportional to 61,857.45, 92,821.82 and 36,958.05 is: 55,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,857.45 : 92,821.82 = 36,958.05 : x
  2. Step 2: Convert to fraction form
    61,857.45/92,821.82 = 36,958.05/x
  3. Step 3: Cross multiply
    61,857.45x = 92,821.82 × 36,958.05
  4. Step 4: Simplify right side
    61,857.45x = 3,430,513,279.86
  5. Step 5: Solve for x
    x = 3,430,513,279.86/61,857.45
  6. Step 6: Final answer
    x = 55,458.37

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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.