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Finding the Fourth Proportional to 36,667.31, 50,600.89 and 19,900.31

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Solution

The fourth proportional to 36,667.31, 50,600.89 and 19,900.31 is: 27,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,667.31 : 50,600.89 = 19,900.31 : x
  2. Step 2: Convert to fraction form
    36,667.31/50,600.89 = 19,900.31/x
  3. Step 3: Cross multiply
    36,667.31x = 50,600.89 × 19,900.31
  4. Step 4: Simplify right side
    36,667.31x = 1,006,973,397.28
  5. Step 5: Solve for x
    x = 1,006,973,397.28/36,667.31
  6. Step 6: Final answer
    x = 27,462.43

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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.