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Finding the Fourth Proportional to 55,604.54, 76,735.55 and 31,733.44

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Solution

The fourth proportional to 55,604.54, 76,735.55 and 31,733.44 is: 43,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.54 : 76,735.55 = 31,733.44 : x
  2. Step 2: Convert to fraction form
    55,604.54/76,735.55 = 31,733.44/x
  3. Step 3: Cross multiply
    55,604.54x = 76,735.55 × 31,733.44
  4. Step 4: Simplify right side
    55,604.54x = 2,435,082,971.79
  5. Step 5: Solve for x
    x = 2,435,082,971.79/55,604.54
  6. Step 6: Final answer
    x = 43,792.88

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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.