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Finding the Fourth Proportional to 33,372.38, 45,978.36 and 27,394.58

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Solution

The fourth proportional to 33,372.38, 45,978.36 and 27,394.58 is: 37,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,372.38 : 45,978.36 = 27,394.58 : x
  2. Step 2: Convert to fraction form
    33,372.38/45,978.36 = 27,394.58/x
  3. Step 3: Cross multiply
    33,372.38x = 45,978.36 × 27,394.58
  4. Step 4: Simplify right side
    33,372.38x = 1,259,557,861.29
  5. Step 5: Solve for x
    x = 1,259,557,861.29/33,372.38
  6. Step 6: Final answer
    x = 37,742.52

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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.