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Finding the Fourth Proportional to 61,751.80, 92,529.26 and 39,546.90

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Solution

The fourth proportional to 61,751.80, 92,529.26 and 39,546.90 is: 59,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,751.80 : 92,529.26 = 39,546.90 : x
  2. Step 2: Convert to fraction form
    61,751.80/92,529.26 = 39,546.90/x
  3. Step 3: Cross multiply
    61,751.80x = 92,529.26 × 39,546.90
  4. Step 4: Simplify right side
    61,751.80x = 3,659,245,392.29
  5. Step 5: Solve for x
    x = 3,659,245,392.29/61,751.80
  6. Step 6: Final answer
    x = 59,257.31

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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.