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Finding the Fourth Proportional to 17,763.57, 24,523.13 and 11,479.53

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Solution

The fourth proportional to 17,763.57, 24,523.13 and 11,479.53 is: 15,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.57 : 24,523.13 = 11,479.53 : x
  2. Step 2: Convert to fraction form
    17,763.57/24,523.13 = 11,479.53/x
  3. Step 3: Cross multiply
    17,763.57x = 24,523.13 × 11,479.53
  4. Step 4: Simplify right side
    17,763.57x = 281,513,949.13
  5. Step 5: Solve for x
    x = 281,513,949.13/17,763.57
  6. Step 6: Final answer
    x = 15,847.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.