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Finding the Fourth Proportional to 31,805.97, 43,904.03 and 27,311.68

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Solution

The fourth proportional to 31,805.97, 43,904.03 and 27,311.68 is: 37,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,805.97 : 43,904.03 = 27,311.68 : x
  2. Step 2: Convert to fraction form
    31,805.97/43,904.03 = 27,311.68/x
  3. Step 3: Cross multiply
    31,805.97x = 43,904.03 × 27,311.68
  4. Step 4: Simplify right side
    31,805.97x = 1,199,092,736.39
  5. Step 5: Solve for x
    x = 1,199,092,736.39/31,805.97
  6. Step 6: Final answer
    x = 37,700.25

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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.