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Finding the Fourth Proportional to 61,694.28, 92,540.61 and 14,947.56

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Solution

The fourth proportional to 61,694.28, 92,540.61 and 14,947.56 is: 22,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,694.28 : 92,540.61 = 14,947.56 : x
  2. Step 2: Convert to fraction form
    61,694.28/92,540.61 = 14,947.56/x
  3. Step 3: Cross multiply
    61,694.28x = 92,540.61 × 14,947.56
  4. Step 4: Simplify right side
    61,694.28x = 1,383,256,320.41
  5. Step 5: Solve for x
    x = 1,383,256,320.41/61,694.28
  6. Step 6: Final answer
    x = 22,421.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.