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Finding the Fourth Proportional to 17,669.65, 26,504.49 and 8,302.80

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Solution

The fourth proportional to 17,669.65, 26,504.49 and 8,302.80 is: 12,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,669.65 : 26,504.49 = 8,302.80 : x
  2. Step 2: Convert to fraction form
    17,669.65/26,504.49 = 8,302.80/x
  3. Step 3: Cross multiply
    17,669.65x = 26,504.49 × 8,302.80
  4. Step 4: Simplify right side
    17,669.65x = 220,061,479.57
  5. Step 5: Solve for x
    x = 220,061,479.57/17,669.65
  6. Step 6: Final answer
    x = 12,454.21

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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.