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Finding the Fourth Proportional to 61,809.43, 92,484.49 and 36,863.05

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Solution

The fourth proportional to 61,809.43, 92,484.49 and 36,863.05 is: 55,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809.43 : 92,484.49 = 36,863.05 : x
  2. Step 2: Convert to fraction form
    61,809.43/92,484.49 = 36,863.05/x
  3. Step 3: Cross multiply
    61,809.43x = 92,484.49 × 36,863.05
  4. Step 4: Simplify right side
    61,809.43x = 3,409,260,379.09
  5. Step 5: Solve for x
    x = 3,409,260,379.09/61,809.43
  6. Step 6: Final answer
    x = 55,157.61

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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.