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Finding the Fourth Proportional to 37,993.56, 56,928.08 and 13,020.16

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Solution

The fourth proportional to 37,993.56, 56,928.08 and 13,020.16 is: 19,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,993.56 : 56,928.08 = 13,020.16 : x
  2. Step 2: Convert to fraction form
    37,993.56/56,928.08 = 13,020.16/x
  3. Step 3: Cross multiply
    37,993.56x = 56,928.08 × 13,020.16
  4. Step 4: Simplify right side
    37,993.56x = 741,212,710.09
  5. Step 5: Solve for x
    x = 741,212,710.09/37,993.56
  6. Step 6: Final answer
    x = 19,508.90

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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.