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Finding the Fourth Proportional to 53,546.28, 73,893 and 29,672.88

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Solution

The fourth proportional to 53,546.28, 73,893 and 29,672.88 is: 40,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,546.28 : 73,893 = 29,672.88 : x
  2. Step 2: Convert to fraction form
    53,546.28/73,893 = 29,672.88/x
  3. Step 3: Cross multiply
    53,546.28x = 73,893 × 29,672.88
  4. Step 4: Simplify right side
    53,546.28x = 2,192,618,121.84
  5. Step 5: Solve for x
    x = 2,192,618,121.84/53,546.28
  6. Step 6: Final answer
    x = 40,948.09

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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.