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Finding the Fourth Proportional to 17,191.65, 25,787.84 and 5,504.84

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Solution

The fourth proportional to 17,191.65, 25,787.84 and 5,504.84 is: 8,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191.65 : 25,787.84 = 5,504.84 : x
  2. Step 2: Convert to fraction form
    17,191.65/25,787.84 = 5,504.84/x
  3. Step 3: Cross multiply
    17,191.65x = 25,787.84 × 5,504.84
  4. Step 4: Simplify right side
    17,191.65x = 141,957,868.68
  5. Step 5: Solve for x
    x = 141,957,868.68/17,191.65
  6. Step 6: Final answer
    x = 8,257.37

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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.