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Finding the Fourth Proportional to 36,614.97, 50,490.95 and 31,327.29

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Solution

The fourth proportional to 36,614.97, 50,490.95 and 31,327.29 is: 43,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,614.97 : 50,490.95 = 31,327.29 : x
  2. Step 2: Convert to fraction form
    36,614.97/50,490.95 = 31,327.29/x
  3. Step 3: Cross multiply
    36,614.97x = 50,490.95 × 31,327.29
  4. Step 4: Simplify right side
    36,614.97x = 1,581,744,476.39
  5. Step 5: Solve for x
    x = 1,581,744,476.39/36,614.97
  6. Step 6: Final answer
    x = 43,199.39

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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.