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Finding the Fourth Proportional to 37,993.82, 56,928.44 and 13,020.41

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Solution

The fourth proportional to 37,993.82, 56,928.44 and 13,020.41 is: 19,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,993.82 : 56,928.44 = 13,020.41 : x
  2. Step 2: Convert to fraction form
    37,993.82/56,928.44 = 13,020.41/x
  3. Step 3: Cross multiply
    37,993.82x = 56,928.44 × 13,020.41
  4. Step 4: Simplify right side
    37,993.82x = 741,231,804.33
  5. Step 5: Solve for x
    x = 741,231,804.33/37,993.82
  6. Step 6: Final answer
    x = 19,509.28

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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.