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Finding the Fourth Proportional to 17,339.81, 25,991.48 and 8,441.96

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Solution

The fourth proportional to 17,339.81, 25,991.48 and 8,441.96 is: 12,654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,339.81 : 25,991.48 = 8,441.96 : x
  2. Step 2: Convert to fraction form
    17,339.81/25,991.48 = 8,441.96/x
  3. Step 3: Cross multiply
    17,339.81x = 25,991.48 × 8,441.96
  4. Step 4: Simplify right side
    17,339.81x = 219,418,925.65
  5. Step 5: Solve for x
    x = 219,418,925.65/17,339.81
  6. Step 6: Final answer
    x = 12,654.06

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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.