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Finding the Fourth Proportional to 55,605.44, 76,741.02 and 31,735.73

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Solution

The fourth proportional to 55,605.44, 76,741.02 and 31,735.73 is: 43,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,605.44 : 76,741.02 = 31,735.73 : x
  2. Step 2: Convert to fraction form
    55,605.44/76,741.02 = 31,735.73/x
  3. Step 3: Cross multiply
    55,605.44x = 76,741.02 × 31,735.73
  4. Step 4: Simplify right side
    55,605.44x = 2,435,431,906.94
  5. Step 5: Solve for x
    x = 2,435,431,906.94/55,605.44
  6. Step 6: Final answer
    x = 43,798.45

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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.