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Finding the Fourth Proportional to 36,725.28, 50,681.28 and 19,958.28

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Solution

The fourth proportional to 36,725.28, 50,681.28 and 19,958.28 is: 27,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,725.28 : 50,681.28 = 19,958.28 : x
  2. Step 2: Convert to fraction form
    36,725.28/50,681.28 = 19,958.28/x
  3. Step 3: Cross multiply
    36,725.28x = 50,681.28 × 19,958.28
  4. Step 4: Simplify right side
    36,725.28x = 1,011,511,177.00
  5. Step 5: Solve for x
    x = 1,011,511,177.00/36,725.28
  6. Step 6: Final answer
    x = 27,542.64

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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.