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Finding the Fourth Proportional to 9,891.97, 14,836.37 and 3,654.92

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Solution

The fourth proportional to 9,891.97, 14,836.37 and 3,654.92 is: 5,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.97 : 14,836.37 = 3,654.92 : x
  2. Step 2: Convert to fraction form
    9,891.97/14,836.37 = 3,654.92/x
  3. Step 3: Cross multiply
    9,891.97x = 14,836.37 × 3,654.92
  4. Step 4: Simplify right side
    9,891.97x = 54,225,764.26
  5. Step 5: Solve for x
    x = 54,225,764.26/9,891.97
  6. Step 6: Final answer
    x = 5,481.80

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1.5x scale

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.