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Finding the Fourth Proportional to 37,007.70, 55,540.74 and 13,650.54

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Solution

The fourth proportional to 37,007.70, 55,540.74 and 13,650.54 is: 20,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,007.70 : 55,540.74 = 13,650.54 : x
  2. Step 2: Convert to fraction form
    37,007.70/55,540.74 = 13,650.54/x
  3. Step 3: Cross multiply
    37,007.70x = 55,540.74 × 13,650.54
  4. Step 4: Simplify right side
    37,007.70x = 758,161,093.00
  5. Step 5: Solve for x
    x = 758,161,093.00/37,007.70
  6. Step 6: Final answer
    x = 20,486.58

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1.5x scale

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.