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Finding the Fourth Proportional to 55,605.54, 76,736.93 and 31,734.44

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Solution

The fourth proportional to 55,605.54, 76,736.93 and 31,734.44 is: 43,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,605.54 : 76,736.93 = 31,734.44 : x
  2. Step 2: Convert to fraction form
    55,605.54/76,736.93 = 31,734.44/x
  3. Step 3: Cross multiply
    55,605.54x = 76,736.93 × 31,734.44
  4. Step 4: Simplify right side
    55,605.54x = 2,435,203,500.87
  5. Step 5: Solve for x
    x = 2,435,203,500.87/55,605.54
  6. Step 6: Final answer
    x = 43,794.26

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1.5x scale

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.