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Finding the Fourth Proportional to 36,772.40, 55,174.80 and 17,040.80

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Solution

The fourth proportional to 36,772.40, 55,174.80 and 17,040.80 is: 25,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,772.40 : 55,174.80 = 17,040.80 : x
  2. Step 2: Convert to fraction form
    36,772.40/55,174.80 = 17,040.80/x
  3. Step 3: Cross multiply
    36,772.40x = 55,174.80 × 17,040.80
  4. Step 4: Simplify right side
    36,772.40x = 940,222,731.84
  5. Step 5: Solve for x
    x = 940,222,731.84/36,772.40
  6. Step 6: Final answer
    x = 25,568.71

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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.